A teacher has 21 red pens if the ratio of red pens to blue pens she owned was 3:1 how many pens did she have in total

How much will the plumber charge for 20 hours of work?

What is the solution to the equation y y-4 - 4 y+4 = 32 y^ 2 - 16? y = - 4 and y = 4 y = 0 all real numbers no solution

Gidget's long hair was impressively long. her hair could almost sweep the ground if she would let it. it glistened during the day and glowed in the night.

With is the value of eight

8 (y-5) + 2y=-10 i will give you brainliest

For f (x) = 3x + 1 and g (x) = x^2 - 6, find (f-g) (x) A. 3x^2 - 17 B. - x^2 + 3x + 7 C. x^2 - 3x - 7 D. - x^2 + 3x - 5

Find the value of x. 13,15,17, x, 20,21; The median is 18.

The carousel in st Augustine park has a diameter of 36 ft each ride last 3 minutes and the speed of the carousel is 3.8 revolutions per minute what is the maximum distance riders travel in one full ride round to the nearest hundred

When i was 2 years old, my brother was half of my age ... now im 100, my brother is?

Would I have to find the surface area or the volume to the following question - Bryan wants to paint his room a new color.