Add. (-x^3+26x^2-7-13)+(6x^4-x^3+8x+27) express the answer in standard form.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x