Find the measure of the angles.
?A = (3x - 3)°, ?B = (x + 5)°
A. 15° and 30°
B. 27° and 63°
C. 17° and 34°
D. 60° and 120°
Answer: B
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Find the product.8x4(-6x4 - 4x3)
A. -80x8 - 80x7 B. -48x8 - 32x7 C. -80x4 D. -48x8 - 4x3
Solve the problem.The percentage of households that mailed back Census forms for various years are listed in the table below. The Census occurs every ten years. 
?Let f(t) represent the percent of households that mailed back Census forms at t years since 1980.i) Find an equation for f following a square root model. Round to the nearest integer.ii) Use your model to predict the percent of households that will mail back Census forms in 2020.iii) Use your model to predict when half of households will mail back Census forms.
What will be an ideal response?
Decide whether the given number is a solution to the equation preceding it.4p + 2p - 2 = 46; 8
A. Yes B. No
Subtract.-130 - 430
A. 300 B. 560 C. -560 D. -300