A sling shot was hit 10 feet of the ground. The maximum height it 30 feet before hitting the ground 40 seconds later. What is the vertex?

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

20

step-by-step explanation:

assuming you meant there are 24 pounds of apples in each case, if this is not what you meant, correct me so i can you further