Combine like terms.-7y - 3x - 4x
A. -14xy
B. -7y - 7x
C. -7y + 1x
D. -7y - 1x
Answer: B
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Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $15. Find the cost to the store if the markup is 20%.
A. $3.00 B. $75.00 C. $12.50 D. $18.00
Solve.The function f(x) = 2.54x converts a measurement of x inches to centimeters. Find a function g that will convert an area in square inches to square centimeters.
A. g(x) = 5.08x2 B. g(x) = 6.4516x2 C. g(x) = 2.54x2 D. g(x) = 5.08x
Write the fraction or mixed number as a percent.
A. 5
%
B. 18
%
C. 1
%
D. 52
%
Provide an appropriate response.If the graph of ax + by = 42 has an x-intercept of 
and a 
of 
then what are a and b?
A. a = - 21, b = 42
B. a = 21, b = 21
C. a = 42, b = 42
D. a = 
, b = 