Write the expression by using exponents.x ? x ? x ? x ? x ? x ? x
A. 7
B. 7(x)
C. 7x
D. x7
Answer: D
Mathematics
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Factor the trinomial.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify the expression.(-4p3q3r3)4
A. (-4)12p12q12r12 B. (-4)4p12q12r12 C. -16p7q7r7 D. (-4)4p7q7r7
Mathematics
Solve. When necessary, round answers to two decimal places.A recipe calls for 30 fluid ounces of water. How many cups is this?
A. 15 c B. 7.5 c C. 3.75 c D. 60 c
Mathematics
Find dy/dx by implicit differentiation.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Mathematics