Multiply and simplify. Assume that all variables represent nonnegative numbers.
? 
A. 7h
B. 
C. h
D. 7
Answer: B
Mathematics
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Solve the problem.Determine if the number is a perfect square.90
A. Yes B. No
Mathematics
Write the expression in the standard form a + bi.
A. - 
- 
i
B. 
+ 
i
C. - 
+ 
i
D. 
- 
i
Mathematics
Expand the expression.(4x + 2)4
A. 256x4 + 384x3 + 512x2 + 128x + 16 B. 256x4 + 512x3 + 384x2 + 128x + 16 C. 256x3 + 512x2 + 384x + 128 D. (16x2 + 8x + 4)4
Mathematics
Rewrite the following as a product of trigonometric functions.sin 
+ sin 
A. 2 cos 
sin 
B. 2 sin 
sin 
C. 2 cos 
cos 
D. 2 sin 
cos 
Mathematics