Which of the following is not a rate A.4 boys per class
B.18 to 7
C.$20/hour
D. 1 teacher per bus
pls answer

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

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?

Which statements are true about additional information for proving that the triangles are congruent check all that apply