Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find 
.y = (2x + 4)x
A. ln (2x + 4) + 
B. x ln (2x + 4)
C. (2x + 4)x
D. (2x + 4)x
Mathematics
Factor using the formula for the sum or difference of two cubes.8x3 + 1
A. (2x - 1)(4x2 + 1) B. (2x - 1)(4x2 + 2x + 1) C. (2x + 1)(4x2 - 2x + 1) D. prime
Mathematics
Multiply and simplify.(z9)4
A. z36 B. 4z36 C. 4z9 D. z13
Mathematics
Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Find the circumference. Round the answer to the nearest tenth of a unit.
A. 125.6 ft B. 251.2 ft C. 62.8 ft D. 1256.0 ft
Mathematics