The variable z is directly proportional to x. when x is 5, z has the value 55. what is the value of z when x = 12

The surface area of the moon is 37,932,330km squared. Calculate the side length of a square with the same area.

A researcher is interested in the texting habits of high school students in the United States. The researcher selectsa group of 100 students, measures the number of text messages that each individual sends each day, and calculates the average number

Find the numbers between 100 and 150 that have an hcf of 24.

Divide the numbers and then round to the nearest hundredth. $14,290 divide by 50 41.62 divide by 8.6 191.3 divide by 14.7

Marty owns a lawn mowing service. His company, which consists of three employees, has 100 lawns to mow this week. Use the 10x10 grid to model how the work could have been distributed between the three employees.

A store sells a package of 12 trading cards for $4.92. Explain how you can tell the price per card is less than $1. What is the unit price per card?

Which is the coefficient of the expression 3a²c-7

What is 1 3/4 + 2 3/4 =

Which set does 4.333 ... belong to? A. Intergers and irrational numbers B. Rational and natural numbers C. Rational and real numbers D. Irrational and whole numbers

What is the equation of the line that passes through (1, 3) and (-2, - 3) ?