Match each expression to its simplest form
(6r+7)+(13+7r)
(13 - 3/2 r) - (1 - r)
(-8 - r) + (2r - 4)
(7r - 3/2) -(2/3 + 6r)

12 - 1/2 r →
r - 13/6 →
13r+20 →
—12+r →

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?