Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log(2/3)19
Fill in the blank(s) with the appropriate word(s).
-7.26
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Solve the problem.Tom and Larry are food inspectors at a cookie making company. Tom tests every 20th batch of dough for fat percentage. Larry tests every 28th batch of dough for carbohydrate percentage. If they both start working at the same time, which batch will be the first that they both test?
A. 35 B. 70 C. 140 D. 280
Express as a product.log9 
A. 
log 9 + 
log w
B. 
log9 w
C. 
log 9 ? log w
D. 
log (9 ? w)
Find the axis of symmetry of the given function.f(x) = -2x2 + 9x + 7
A. x = 
B. x = - 
C. x = 
D. x = - 
In 2006, the population of a certain county was 7 million. The population is projected to increase to 9 million by 2020. Find the projected percent increase in the population of the county from 2006 to 2020. Round to the nearest tenth of a percent.
A) 77.8% B) 22.2% C) 28.6% D) 12.9% E) 7.8%