A, more tension has a higher frequency
Answer:
so far he has poured 38.4 grams
Step-by-step explanation:
1
Step-by-step explanation:easy
D. 5y^2 - 4y - 1
Combine like terms:
(y^2 -y +1) +(4y^2 -3y -2)
= y^2(1 +4) +y(-1-3) +(1 -2)
= 5y^2 -4y -1