Answer:
5x^2+10x+6
Step-by-step explanation:
add 2x^2 & 3x^2
add 4x and 6x
add 1 and 5
It is in the air 5.625 seconds.
Using the quadratic formula,

0 is when the ball is first launched, 5.625 is when it hits the ground again.
Answer:
7.25
Step-by-step explanation:
130.50 divided by 18 equals 7.25
Answer:
1- (-1,4)
2- (3,8)
Step-by-step explanation:
PRETTY SURE
It would have to be 5 60/100
(5 wholes and sixty out of a hundred)