Solve the problem.2 - x ? 4x + 5 and 5x - 22 ? 6x + 22
A. 
B. 
C. 
? 
D. 
Answer: B
Mathematics
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Find the volume.Find the volume of the solid generated by revolving the area under y = 5e-x in the first quadrant about the y-axis.
A. 10? B. 20? C. 5? D. 1
Mathematics
Find the power of i.i19
A. -1 B. -i C. 1 D. i
Mathematics
Solve the problem.Assume it costs 30 cents to mail a letter weighing one ounce or less, and then 28 cents for each additional ounce or fraction of an ounce. Write a piecewise-defined function P(x) that represents the cost, in cents, of mailing a letter weighing between 0 and 3 ounces.
A. P(x) = {
B. P(x) = {
C. P(x) = {
D. P(x) = {
Mathematics
Find the perimeter. 
A. 214 ft B. 216 ft C. 219 ft D. 222 ft
Mathematics