Write a percent proportion that could be used to answer the question. Do not solve. What is 138% of 45 volunteers?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
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Solve the problem.A particle moves along an ellipse in the xy-plane in such a way that its position at time t is 
Find the maximum and minimum values of 
and 
. (Hint: Find the extreme values of 
2 and 
2 first and take
square roots later).
A. 
min = 5; 
max = 8; 
min = 45; 
max = 72
B. 
min = 15; 
max = 24; 
min = 15; 
max = 24
C. 
min = 15; 
max = 24; 
min = 45; 
max = 72
D. 
min = 
max = 24; 
min = 
max = 72
Solve the problem.Budget Credit is a payday loan company that offers quick, short-term loans using the borrower's future paychecks as collateral. Budget Credit charges $28 for each $100 loaned for a term of 21 days. Find the APR charged by Budget Credit. Round your answer to the nearest hundredth of a percent.
A. 148.67% B. 486.67% C. 48.67% D. 4.87% E. 248.67%
Write the percent as a decimal.69.74%
A. 0.06974 B. 6.974 C. 69.74 D. 0.6974
Solve the problem.The formula P = 14.7e-0.21x gives the average atmospheric pressure, P, in pounds per square inch, at an altitude x, in miles above sea level. Find the average atmospheric pressure for an altitude of 2.3 miles. Round your answer to the nearest tenth.
A. 11.0 lb/in.2 B. 8.4 lb/in.2 C. 9.1 lb/in.2 D. 7.8 lb/in.2