Use the multiplication principle to solve the equation.
? x = 171
A. 23
B. 76
C. 171
D. 385
Answer: B
Mathematics
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Express the given expression in simplest form with only positive exponents.(x-9y11z3)(x-4y-4z7)
A. x5y7z10
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Solve the differential equation 
= 
.
What will be an ideal response?
Mathematics
Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 83?
A. 4.50 hr B. 101.11 hr C. 15.20 hr D. 1.52 hr
Mathematics
Determine the area under the standard normal curve that lies between:z = -0.7 and z = 0.7
A. 0.516 B. 0.758 C. 0.242 D. 0.5
Mathematics