Line R goes through points (5,2) and (1.4) on an XY plane. Line S is perpendicular to Line R. What is the slope of Line S?

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?