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
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
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