Drew burned 1,400 calories friday playing one hour of basketball and canoeing for two hours. saturday he spent two hours playing basketball and three hours canoeing and burned 2,300 calories. how many calories did he burn per hour when playing basketball? how many calories did he burn per hour when canoeing?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8