What is the range of the function y=4x-1 for the domain 4 ≤x ≤8? A. 15 ≤y ≤31
B. 5/4 ≤y ≤9/4
C. 16 ≤y32
D. 1 ≤y ≤2

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.