Solve the problem.The table below lists women's and men's total enrollments at all institutions of higher learning in Country X for various years. College Enrollments (Millions)YearWomenMen19886.35.919907.46.519948.16.820028.97.120069.27.4The enrollments (in millions) of women and men, respectively, can be modeled by the systemW = 0.14t + 5.69M = 0.07t + 5.62where t is the number of years since 1980.(i) Use substitution or elimination to estimate when women's and men's enrollments were approximately equal. What was that enrollment?(ii) Use the models to predict the total enrollment of women and men in 2018.
A. (i) In about 1979, women's and men's enrollment was about 5.6 million students.
(ii) In 2018, W = 11.01 million students and M = 8.28 million students.
B. (i) In about 1979, women's and men's enrollment was about 6.3 million students.
(ii) In 2018, W = 11.15 million students and M = 8.35 million students.
C. (i) The system cannot be solved.
(ii) In 2018, W = 10.73 million students and M = 8.14 million students.
D. (i) In about 1977, women's and men's enrollment was about 5.9 million students.
(ii) In 2018, W = 10.87 million students and M = 8.21 million students.
Answer: A
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for y.
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A. There is no solution.
B. 
C. ?
D. 
Find the sum.
A. 
B. 
C. 
D. 
Parametric equations and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 5 cos t, y = 5 sin t, ? ? t ? 2?
A. x2 + y2 = 1
Clockwise from (1, 0) to (1, 0), one rotation
B. x2 + y2 = 25
Clockwise from (5, 0) to (-5, 0)
C. x2 + y2 = 25
Counterclockwise from (5, 0) to (5, 0), one rotation
D. x2 + y2 = 25
Counterclockwise from (-5, 0) to (5, 0)
Translate the graph to an inequality using the variable x.
A. x < -5 B. x ? -5 C. x ? -5 D. x > -5