Use a proportion to solve the problem.A quarterback completed 4 passes in every 9 attempts. If he attempted 
how many passes did he complete? (Round to the nearest whole number if necessary.)
A. 9 passes
B. 2 passes
C. 41 passes
D. 8 passes
Answer: D
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Solve the problem.The cost of tuition at a community college is given by C(x) = 490 + 54x, where x is the number of credit hours. Interpret the slope of this function as a rate of change.
A. The tuition at the community college increases by $54 for each additional credit hour. B. The tuition at the community college increases by $490 for each additional 54 credit hours. C. The tuition at the community college increases by $490 for each additional credit hour. D. The number of credit hours increases by 54 for each increase of $490 in tuition.
Supply the missing numbers. fraction decimal percent 91.
%
A.
 | 0.91 |
B.
 | 0.091 |
C.
 | 0.91 |
D.
 | 0.091 |
Find the production matrix for the input-output and demand matrices.A = 
, D = 
A. 
B. 
C. 
D. 
Solve the problem.Identify the scatter diagram of the relation that appears linear.
A. 
B. 
C. 
D. 