Simplify the expression using order of operations.(4 + 2)2 ÷ [(-2)2 - 2]
A. -18
B. 
C. 18
D. - 
Answer: C
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Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. 
; u = ln x, du = 
, n = 8
B. 
; u = x, du = ln8x dx, n = -1
C. 
; u = ln x, du = 
, n = -8
D. 
; u = ln8x, du = 
, n = -1
Simplify the algebraic expression.4.2(-2.4x - 1.4)
A. -10.08x - 1.4 B. -10.08x - 5.88 C. 10.08x - 1.4 D. 10.08x - 5.88
Solve the problem.The formula v = 
can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 20 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 20 mph B. 15 mph C. 25 mph D. 30 mph
Solve the equation.
A. a = 11 B. a = -6 C. a = 3 D. a = 6 E. a = 9