Jessica can run 7.5 miles in 1 hour. how many minutes does it take her to run each half mile?

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

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Math it's appreciated. (picture provided)