Simplify, if possible.
A. 3k2
B. 10k2
C. 3k
D. 10
Answer: A
Mathematics
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Find the present value. Round to the nearest cent.
A. $23,775.16 B. $10,809.03 C. $10,767.52 D. $5,232.48
Mathematics
Solve the formula for the specified variable.a + b = s + r for s
A. s = 
B. s = 
+ b
C. s = r(a + b)
D. s = a + b - r
Mathematics
Determine whether the matrix is invertible.
A. Yes B. No
Mathematics
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 80 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 40 mph B. 50 mph C. 35 mph D. 45 mph
Mathematics