I would substitute y = x^2
4y^2 -21y+20=0
Answer:
in 220 miles both plans will cost the same
Step-by-step explanation:
38 + .12m = 49 + .07m
38 + .05m = 49
.05m = 11
m = 11/.05
Step-by-step explanation:
ok whats the question tell
Answer:
what grade is this I might know it
Answer:
1/3
Step-by-step explanation:
The volume of a pyramid is always 1/3 of a prism and the volume of a prism is 3 times the volume of the pyramid