Express as a sum, difference, and product of logarithms, without using exponents.log6 
A. log3 
- log3 9
B. log6 9 - log6 
C. log6 
+ log6 9
D. 
log6 11 - log6 9
Answer: D
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Factor the polynomial completely.15x2 - 65x - 50
A. prime B. (15x + 10)(x - 5) C. 5(3x + 2)(x - 5) D. 5(3x - 2)(x + 5)
Simplify.6 × 4 + 6 × 8 + 6
A. 840 B. 1158 C. 468 D. 78
Solve the problem.The following information pertains to a bakery which makes donuts.
Make a scatterplot of the data. Then graph the following two functions on the same coordinate system: 
; 
. Decide which function best models the data, and then use that function to estimate the profit associated with making 35 cases of donuts.
A. f2; Profit for 35 cases is $3525. B. f1; Profit for 35 cases is $2625. C. f1; Profit for 35 cases is $2275. D. f2; Profit for 35 cases is $2975.
Use the formulas for measuring sounds to find the missing value. 
The loudness L of a sound is given. Find the intensity I of the sound.L = 50 dB
A. I = 10-6 W/m2 B. I = 10-9 W/m2 C. I = 10-7 W/m2 D. I = 10-8 W/m2