4. if a is at (4, -1) and b is at (2,-7), find the midpoint of segment ab.

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Consider the function f(x)=-5x+3 what is f(-2)

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance