The table shows the average earnings of year-round, full-time workers by gender and educational attainment in a certain country. Let x represent earnings for males and y represent earnings for females, and find a linear model that expresses women's annual earnings as a function of men's. Interpret the slope of the linear model. Round your final values to three decimal places.
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Educational AttainmentAverage Annual Earnings
Males
Females
Less than 9th grade$12,035
$10,745
Some high school$13,010
$11,470
High school graduate$18,085
$16,200
Some college$20,135
$13,120
Associate's degree$26,295
$22,210
Bachelor's degree or more$45,070
$35,135
A. 
slope: females earn $1,292 for each $1,000 males earn
B.
slope: the average difference in yearly male and female earnings is $1,292
C.
slope: females earn $748 for each $1,000 males earn
D.
slope: the average difference in yearly male and female earnings is $748
E.
slope: the average of male and female earnings increases by an average of $748 for each level of educational attainment
Answer: C
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A. 
B. 
C. 
D. 
Complete the following statement using the appropriate symbol.
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_____ 
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A. = B. < C. > D. ? E. ?
Solve the problem.A rocket is 34 feet from a satellite when it begins accelerating away from the satellite at a constant rate of 20 feet per second per second. The distance, in feet, between the rocket and the satellite is modeled by 
where t is the number of seconds since the rocket started accelerating. Use the model to find and interpret the result when t = 9.
A. When t = 9, P = 844; After 9 seconds, the distance between the rocket and the satellite is 844 feet. B. When t = 115, P = 9; After 115 seconds, the distance between the rocket and the satellite is 9 feet. C. When t = 124, P = 9; After 124 seconds, the distance between the rocket and the satellite is 9 feet. D. When t = 9, P = 810; After 9 seconds, the distance between the rocket and the satellite is 810 feet.
Solve the problem.The acceleration, a = d2s/dt2, initial velocity v = ds/dt and initial position of a body moving along a coordinate line are given below. Find the body's position at time t. a = ex; v(0) = 11, s(0) = 11
A. s = ex + 10x + 10 B. s = ex + 10 C. s = ex + 10x D. s = ex + 11x + 11