1) A toy helicopter is hovering at an altitude of 42 feet, which is of the altitude it was at before descending. What was the highest height the helicopter reached before its descent?
A. The highest altitude of the helicopter was
feet.
B. Describe why your answer seems logical to you:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c

lol 2

step-by-step explanation: