Which pair of lines represent graphs that are perpendicular? a) y=-3x+7, y=-3x+2
b) y=5x+5, y=10x+5
c) 2y=4x-16, y=2x-8
d) y=9, x=5
e) y=x, y=3

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)