Simplify.
A. -19
B. 8
C. -2
D. -8
Answer: B
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cos 52°
A. 0.71 B. -0.16 C. -0.07 D. 0.62
Solve the problem.An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.
A. 4 in. by 9 in. B. Not enough information C. 5 in. by 9 in. D. 5 in. by 10 in.
Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest rate r, expressed in decimal form, then the amount An in the account after n years can be approximated by the formula 
If $70 is deposited every four weeks into an account paying 6% interest, approximate the amount in the account after 15 years.
A. $9013.19 B. $29,423.33 C. $315.15 D. $22,060.15
Write the equation of the line in slope-intercept form.m = 
, y-intercept (0, 1)
A. y = 
x + 1
B. y = - 
x + 1
C. y = - 
x - 1
D. y = 
x - 1