The height of a person is directly related to the person's arm span. The height and arm span of a person is 60 inches. Which equation models this direct variation? A) xy = 1 B) x + y = 1 C) x - 2y = 1 D) x y = 1

In Mr. Perron's class, 75% of the students are boys there are 18 boys in the class. what is the total number of students are in mr. perron class

In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $39 and standard deviation of $9. Construct a confidence interval at a 90% confidence level.

Is the graphed function linear?

Four times a number plus six times a number is equal to 8 times a number plus thirty four

What are all solutions to the equation lxl = 4?

Which explains how to find the radius of a circle whose equation is in the form x2 + y2 = z?

What is x + (5x-18) + 90 degrees

N-18=27 what would be N

A movie cost $3,254,107 to produce. What digit is in the hundred thousands place?

If a class is made up of 55% boys and there are 14 girls how many boys are there