Answer:
Step-by-step explanation:
The answer will be A. y=2x+20; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20.
Answer:
r = Q/(8s^2)
Step-by-step explanation:
Divide by the coefficient of r.
Q/(8s^2) = 8rs^2/(8s^2) = r
Answer:
2 is the opposite of-2 and -2 is the opposite of 2
Answer:
9a + 6b and 5c - 3d
Step-by-step explanation:
(a)
4a + 7b + 5a - b ← collect like terms
= (4a + 5a) + (7b - b)
= 9a + 6b
(b)
6c + 4d - c - 7d ← collect like terms
= (6c - c) + (4d - 7d)
= 5c - 3d
23 i used an app use should also give that a try