Simplify.|-7| - |-13|
A. -20
B. -6
C. 6
D. 20
Answer: B
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Solve the problem. Round your answer to the nearest tenth, if necessary.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 10 hr; Ron: 12 hr B. Paul: 9.1 hr; Ron: 11.1 hr C. Paul: 8 hr; Ron: 10 hr D. Paul: 8.3 hr; Ron: 10.3 hr
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. x + 9
B. 
C. 
D. x - 9
y = cos (2t ) ? 2
For each of the following functions, find the amplitude, period, and midline. Also, find the maximum and minimum
Find the slope-intercept form of the equation of a line whose x-intercept and y-intercept are given.
A. y = 
x - 1
B. y = - 
x - 1
C. y = 
x + 1
D. y = - 
x + 1