Solve the problem.Find the expected number of girls in a family of 7 children.
A. 4
B. 4.25
C. 3.5
D. 4.5
Answer: C
Mathematics
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Divide. Write with positive exponents.
A. 10x + 2
B. 5x - 10x5 + 
C. 5x + 2 + 
D. 5x + 2
Mathematics
Simplify the expression.
2
A. 12
B. 
C. 2
D. 
Mathematics
Find the area of the shaded region.
A. 1.25 B. 1.69 C. 1.50 D. 1.39
Mathematics
Solve for the specified variable.
+ 
= c for b
A. 
B. ac - 
C. 
- a
D. 
Mathematics