Google A hiker is walking down a mountain. she walked 7975 feet in 25 minutes. In that time, she descended 1595 feet from the top of the mountain. she then walked 8050 feet in 25 minutes. In that time, she 1610 descended more feet. Express the average rate of change in altitude of the hiker from her starting point to her ending point as a unit rate.

answer: 94

step-by-step explanation: 79+91+92+94+94 = 450 divided by 5 (since there are 5 number that are being added) = 90

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363