Collect like terms.6r - 10r2 + 12r2 + 10r
A. Cannot be simplified
B. 18r
C. 16r + 2r2
D. 18r2
Answer: C
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 9, u '(2) = 2, v(2) = -1, v '(2) = -4.
(2u - 4v) at x = 2
A. 22 B. 14 C. 20 D. -12
Solve the absolute value equation.
= 
A. x = - 
, - 
B. x = - 
, 
C. no solution
D. x = - 
Solve the problem.Enrollment in a business seminar increased from 67 people to 86 people. What was the percent of increase?
A. 77.9% B. 22.1% C. 71.6% D. 28.4%
Solve the problem.A building contractor finds that 
can of pipe joint compound is needed to plumb each new home. How many homes can be plumbed with 18 cans of compound?
A. 7
homes
B. 45 homes
C. 18 homes
D. 22
homes