Solve the problem.A shirt company has 4 designs that can be made with short or long sleeves. There are 7 color patterns available. How many different types of shirts are available from this company?
A. 13
B. 11
C. 28
D. 56
Answer: D
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Use the order of operations to evaluate each problem.
A. 60 B. 24 C. 22 D. 36
Solve the problem.In 1990 the number of factory pollution incidents reported in Country X was 7500. This number had decreased roughly at a rate of 440 per year since 1982. (i) Find an equation of a line 
that describes this data, where y represents the number of pollution incidents during the year x. (Answers may vary.) (ii) Estimate the year when there were approximately 8250 incidents.
A. y = -440(x - 1988) + 7500; 1986 B. y = -440(x - 1982) + 7500; 1980 C. y = -440(x - 1990) + 7500; 1988 D. y = -7500(x - 1990) + 440; 1983
Solve the equation.4x = 
A. 
B. 2
C. -2
D. 
Determine which fractions are proper.
, 
, 
, 
, 
A. 
, 
, 
, 
B. 
, 
C. 
, 
, 
, 
, 
D. 
, 
, 