Simplify.- 
(-18x + 9)
A. 16x + 8
B. 16x - 8
C. 8x
D. -16x + 8
Answer: B
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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
bh; b = 5, h = 6
A. 11.5 B. 15 C. 30 D. 11
Perform the indicated operation. Simplify the answer when possible.2
+ 5
A. 14
B. 87
C. 7
D. 399
Find the moment of inertia (in g?cm2) and the radius of gyration (in cm) with respect to the origin of the given array of masses located at the given points on the x-axis.5.2 g at (3.0, 0), 3.2 g at (-2.2, 0)
A. I = 62 g? cm2; R = 2.7 cm B. I = 59 g? cm2; R = 2.6 cm C. I = 8.6 g? cm2; R = 3.3 cm D. I = 8.6 g? cm2; R = 1.0 cm
Solve the problem.Fill in the blank.
+ 5
cannot be simplified because the _________ are not the same.
A. coefficients B. variables C. roots or indexes D. radicands