Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.Four times a number added to 8 times the number equals 60. Find the number.
A. 4x + 8x = 60; 5
B. 4x(8 + x) = 60; 7.5
C. 4x - 8x = 60; -7.5
D. 4(x + 8) = 60x; 0.6
Answer: A
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Solve the problem.The annual precipitation for one city is normally distributed with a mean of 319 inches and a standard deviation of 3.4 inches. Fill in the blanks.In 95% of years, precipitation in this city is between 
and 
inches.
A. 319, 325.8 B. 308.8, 329.2 C. 312.2, 325.8 D. 308.8, 319
The formula used to calculate body mass index is BMI=
? 703 where w = weight in lb and h = height in inches. If Matthew is 6 ft 3 in tall and weighs 220 lb, calculate his BMI.
A. 38.97 B. 27.5 C. 23.79 D. 20.6
Determine whether the activity can be used to illustrate the given property.Making a pot of coffee, brushing your teeth, and taking a shower.Does the associative property hold?
A. Yes B. No
Find the standard divisor for the given situation. Round your answer to two decimals.A school district receives a grant to purchase 66 new computers to be apportioned among the 6 schools in the district based on the student population of each school. The student populations are given in the following table. 
A. 18.08 B. 20.58 C. 23.77 D. 18.85