Rectangle PQRS, PR=15x and QS=x+489. find the value of X in the length of each diagonal

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5