Use a proportion to solve the problem.The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 145 yards with a 7-iron, how far should he average with a 5-iron?
A. 156 yards
B. 121 yards
C. 134 yards
D. 174 yards
Answer: D
Mathematics
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Solve.If the area of a square is given the expression 
what is the length of each side?
A. 2x + 3 B. 2x - 3 C. 2x - 9 D. 4x - 3
Mathematics
Graph the function on the indicated interval.y = 2 cos (?x) + 3 sin (?x), 0 ? x ? 2 
A. 
B. 
C. 
D. 
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Collect like terms.-8b + 4b
A. -4b B. -12b C. -4b2 D. 4b
Mathematics