Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.The median family income in a certain year was $46,676 and there were about 7.2 × 107 families. Calculate the total family income for that year.
A. $336 × 1012
B. $3.36 × 10-12
C. $2 × 1012
D. $3.36 × 1012
Answer: D
Mathematics
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Evaluate the integral using the given substitution.
dx , u = 2x - 3
A. (2x - 3)-5 + C
B. - 
(2x - 3)-7 + C
C. - 
(2x - 3)-5 + C
D. - 
(2x - 3)-5 + C
Mathematics
Provide an appropriate response.Tell what restrictions, if any, must be made on s, k, and w to guarantee that d is a real number. Assume that s, k, and w are all real numbers and that the denominator is not zero.d = 
What will be an ideal response?
Mathematics
If ?PRQ is isosceles with ?R the vertex angle, and D is on PQ so that RD bisects ?PRQ and ?DQR = 52°, find ?PRD.
What will be an ideal response?
Mathematics
Solve the equation.
(2p + 5) - 10 = 
(p + 6) + 3
A. p = 4
B. p = 6
C. p = 
D. p = 
Mathematics