Evaluate the algebraic expression u + r - s when r = 13, s = 10, t = 7 and u = 15

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )

the square root of what number? if you add that, then someone will probably answer the question.