Suppose y varies with x, and y=30 when x=3. What direct variation equation relates x and y?

3x-2y=-5 and 4x+2y=-16

1,652.5 as a decimal

Is pi6 rational or irrational

What are three sets of relatively prime numbers

How to write 5.26 and 0.64 and 0.45 in standard form

What is the value of x if 120 degrees are diagonal and 6x horizontally

find the sum and product of the zeros of the quadratic polynomial are - 1/2 and - 3. what is the quadratic equation

Iᔕ 7/15 ᒪEᔕᔕ Tᕼᗩᑎ 1/2

A rectangle is 18 inches long and 12 inches wide. What is the perimeter of this rectangle? 30 in. 36 in. 50 in. 60 in.

Angie is using similar triangles to find the heights of the tree. A stick that is 5 feet tall casts a shadow that is 4 ft long. The tree casts a shadow that is 22 feet ft long. How tall is the tree?