Erik drives 19.2 miles in 16 minutes. He passes a sign which gives the speed limit as 65 mph.
By how much, in mph, did Erik's average speed exceed the speed limit?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

State if the two triangles are congruent. if they are, state how you know?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60