Find the numerical value of the expression for 
and 
x + 7
A. a) 3 b) 11
B. a) 11 b) 25
C. a) 25 b) 11
D. a) 28 b) 126
Answer: B
Mathematics
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A. 4(x - 4)(x + 5) B. 4(x + 4)(x - 5) C. 4(x + 4)(x + 5) D. 4(x - 4)(x - 5)
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Use synthetic division to decide whether the given number is a solution of the given equation.x3 + 3x2 + 25x + 75; x = 5i
A. Yes B. No
Mathematics
Solve the formula for the indicated variable.PV = nRT for T
A. T = 
B. T = 
C. T = 
D. T = 
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(x-7)-3
A. 
B. -x10
C. x21
D. 
Mathematics