Combine like terms to simplify the expression. 2x+4y-7x+10y+8

Jermey and Ahmed are painting a wall. Working alone, Jeremy can paint 1/4 of the wall in 1 hour. Working together, Jeremy and Ahmed can paint the entire wall in 80 minutes. How long would it take Ahmed to paint the entire wall by himself?

At t= 0, a train approaching a station begins decelerating from a speed of 140 mi/hr according to the acceleration function a (t) = - 1120 (1+4t) ^-3 mi/hrsquared2 , where t≥0. How far does the train travel between t=0 and t=0.1? Between t=0.

9y-36=-15x in Slope intercept form

You can draw more 36 cm square rectangles than 23 cm square rectangles if the side length must be whole numbers. why is that?

Sara has 16 red flowers and 24 yellow. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets she can make

Which explains how to find the radius of a circle whose equation is in the form x2 + y2 = z?

What is x + (5x-18) + 90 degrees

N-18=27 what would be N

A movie cost $3,254,107 to produce. What digit is in the hundred thousands place?

If a class is made up of 55% boys and there are 14 girls how many boys are there