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 166 yards with a 7-iron, how far should he average with a 5-iron?
A. 138 yd
B. 177 yd
C. 199.2 yd
D. 155 yd
Answer: C
Mathematics
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Divide the rational expressions.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Write the answer in standard form.(7 + 7i)(3 + 4i)
A. -7 + 49i B. 49 - 7i C. 28i2 + 49i + 21 D. -7 - 49i
Mathematics
Solve the problem.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the water of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is divided by 4. B. The weight is multiplied by 4. C. The weight is divided by 2. D. The weight is multiplied by 2.
Mathematics
Provide an appropriate response.If f(x) = 
+ 2x, find: (a) f(1) and (b) f(-1).
Fill in the blank(s) with the appropriate word(s).
Mathematics