Use I = Prt for simple interest to find the indicated quantity.P = $3000; t = 90 days; I = $105. Find r. (Use 360 days in a year.)
A. 3.5%
B. 14.0%
C. 9.7%
D. 14.2%
Answer: B
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Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with 
and 
.
log3 (x6 )+ 
log3(x6 ) - 
log3 x
A. log3 (x7)
B. log3 (x26/9)
C. log3 (x9/2)
D. 
log3 (x12)
Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 90 m. The hypotenuse is 30 m longer than the length of the longer leg. How long is the longer leg?
A. 90 m B. 120 m C. 180 m D. 150 m
Solve. Round to the nearest percent if necessary.A company increased the number of its employees from 110 to 132. What was the percent of increase?
A. 120% B. 22% C. 20% D. 17%
Find the standard form of the equation for the ellipse satisfying the given conditions. Foci (±6, 0); y-intercepts ±8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1