There are 4 Russian dolls. The largest doll is 12 inches tall. The height of each of the other dolls is 7/10 the height of the next larger doll. What expression can be used to find the height of the smallest doll?

How many times does a person blink in 1.5 min

Tan 46 degrees equals x over 12

A student is given the perimeter of a rectangle (x+4*x) and the perimeter of the square (x+2*x+2). the student states that the two figures have the same perimeter. is the student correct?

Solve the equation. type the integer with it 32=8y

Solve this application problem using a system of equations: The Springfield Movie Theater sold adult tickets for $4.10 each and children's tickets for $2.70 each. Last Thursday, a total of $331.30 was collected from 89 movie watchers.

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. She uses 780 cubes to completely fill the jewelry box with no gaps or overlaps.

Find to the nearest tenth the radian meausure of 216 degrees.

Which equation is a direct variation function? y = x y = 1/4 x + 2 y = x2 y = 4

Mrs. Winchester prepared 5/6 pound of pasta. How many 1/4 pound servings are in 5/6 pound of past

What does mixed number mean?