Which method can be used to find the area of the composite shape? PLEASE HURRY!

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.