Ibrahim cuts the grass for several of his
neighbors. his lawnmower's fuel tank
holds 1.25 gallons of fuel. with a full
tank, he can operate the mower for
5 hours. if it takes him 20 hours over the
course of a week to mow all his
neighbors' lawns, how many gallons of
fuel will he use?

5 gallons per week

Step-by-step explanation:

He uses 1.25 gallons per 5 hrs

How many times does he use a full tank in a week?

20/5 = 4 times

To find the total amount of fuel used take 1.25 times 4

1.25 * 4 = 5 gallons

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.

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