Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having exactly 2 girls and 3 boys?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write the expression using a multiple of a logarithm.log8 
A. 
log8 7 - log8 8
B. 
- log8 8
C. log8 
+ log8 8
D. 
Mathematics
Find the average value of the function over the region.f(r, ?, z) = r over the region bounded by the cylinder r = 6 between the planes z = -8 and z = 8
A. 9 B. 4 C. 6 D. 2304?
Mathematics
Find the measure of the missing angle.
A. 63° B. 27° C. 117° D. 153°
Mathematics
Provide an appropriate response. If you know the total length of a fence and the width of each board used to build the fence, what operation would you use to determine the number of boards needed for the fence?
A. subtraction B. addition C. division D. multiplication
Mathematics