Find the numerical value of the expression for 
and 
x + 9
A. a) 27 b) 13
B. a) 36 b) 162
C. a) 13 b) 27
D. a) 5 b) 9
Answer: C
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Solve.71 = 1 - 7x
A. x = 11 B. x = 81 C. x = 77 D. x = -10
Solve the problem. If necessary, round your result to the nearest tenth unless instructed differently. The precise value of your approximation may depend on the conversion path that you choose.A road that is 11 miles long is represented on a map that shows a scale of 1 centimeter being equivalent to 10 kilometers. How many centimeters long does the road appear on the map? Round your result to the nearest tenth of a centimeter.
A. 1.8 cm B. 17.7 cm C. 2.8 cm D. 0.7 cm
Find all real numbers that satisfy the equation.cos 2? = - 
A. 
B. 
C. 
D. 
The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property.
(1) = identity property of multiplication
A. - 
x
B. 1
C. 
x
D. - 
x