Which of the following statements contain a variable?

A) there are 12 inches in a foot

B) the length of the rope

C) she arrived at 2 o'clock

D) half the height of the building

A a pizza shop plans on selling 115 pizzas daily for delivery. For every 15 customers who eat in the restaurant, an additional four pizzas will be sold. Write an equation to represent the equation.

Jenna's garden is 5 yards long. How long is her garden is feet?

In a random sample of 90 students in first grade, the mean hours of sleep per night was 9.2 with a standard deviation of 0.37. In a random sample of 70 students in 12th grade, the mean hours of sleep per night was 7.3 with a standard deviation of 0.

What is the factored from of y2+6y-16

If 5 beads weigh 30 grams, how many beads weigh 48 grams?

How do i achieve max borkodrive

What is 8 times as many as 6

Is 0.7 greater than less than or equal to 7/9 show your work!

The scale drawing of a flower bed has the dimensions of 3 inches by 7 inches. The dimensions of the actual flower bed are 36 inches by 84 inches. What is the scale factor used to find the dimensions of the drawing?

What is the equation of the line in standard form which has slope - 2/5 and y-intercept 10?