Use the commutative and associative properties to simplify the expression.
A. 
t
B. 
t
C. t
D. 
t
Answer: C
Mathematics
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Convert as indicated.70 cm to millimeters
A. 7000 mm B. 0.7 mm C. 70 mm D. 700 mm
Mathematics
Solve the problem.Given A = 
and B = 
, find AB and BA.
A.
AB = 
; BA = 
B.
AB = 
; BA = 
C.
AB = 
; BA = 
D.
AB = 
; BA = 
Mathematics
Solve and check your answer.
- 4 = 
A. 15 B. 20 C. 30 D. 12
Mathematics
Find the derivative.y = (x + 9)(4x + 4)
A. 0 B. 8x + 40 C. 8x + 76 D. 4
Mathematics