Answer:


Step-by-step explanation:

Ignore the A before the ±. It wouldn't let me type it correctly.
x² + 2x - 5 = 0
a = 1
b = 2
c = - 5









Two separate equations




Answer:
2.67
Step-by-step explanation:
Answer:
6 of each
Step-by-step explanation:
1.50 x 6= 9
1 x 6= 6
9+6=15
Answer:try and solve it yourself
Step-by-step explanation:
Answer:
H(d) = 0.3d + 12
Step-by-step explanation:
It started at 12 inches.
Then it grew 0.3 inches per day.
Let d = number of days.
The growth is 0.3 d.
Add the growth to the original length, to get 0.3d + 12.
Answer: H(d) = 0.3d + 12