Answer:
Step-by-step explanation:
Let
x ----> the length of Zach's car
y ----> the length of Ginny's car
we know that
The sum of the lengths of both cars is 30 inches
so
----> equation A
Ginny's car is 2 more than 3 times the length of Zach's car
so
----> equation B
substitute equation B in equation A
Answer:
16. q
17. -4
18. 0
Step-by-step explanation:
16. q
17. -4
18. 0
A
B
Just search it up on a math website or sum
Answer:
-2m^3+12m^2-5
Step-by-step explanation:
if it's wrong I'm sorry
The vertex is a minimum point. The y value of the vertex is the lowest point it hits. The graph is going down, the vertex is the lowest point of it
