Answer: n + 2 = 2n
Step-by-step explanation:
sum = add
number and two = n, 2
twice the number = 2 x n
Answer:
Step-by-step explanation:
y = ax² + bx + c
Plug the points into the equation to get a system of 3 equations with 3 unknowns a, b, and c.
-27 = 4a - 2b + c
-42 = 9a + 3b + c
-12 = a + b + c
(a,b,c) = (-4,1,-9)
y = -4x² + x - 9
Answer:
fasle
Step-by-step explanation:
Answer:
2 dogs
Step-by-step explanation:
2 dogs at 1st plus 7 dogs added equals 9
Step-by-step explanation:
Given

Hope it will help :)