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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Use the given graph of the polynomial function to state whether the leading coefficient is positive or negative and whether the polynomial function is cubic or quartic.
A. Positive; Quartic B. Positive; Cubic C. Negative; Quartic D. Negative; Cubic
Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.70 - (-13)0
A. 0 B. 20 C. -2 D. 2
Solve.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 40 mph with a surface area of 33 ft2 experiences a drag of 184.8 N (Newtons), how fast must a car with 38 ft2 of surface area travel in order to experience a drag force of 218.12 N?
A. 38 mph B. 43 mph C. 41 mph D. 46 mph
Use the given information to find the exact value of the trigonometric function.cos ? = - 
, sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 