Help?

I need explaining doe am stoopid

1.) 7.60

2.) 3.70

3.) 7.20

4.) 9.20

Step-by-step explanation:

6.30 + 0.40 + 0.90 = 7.60

Barrys has $7.60 total

3.20 + 1.60 = 4.80

8.50 - 4.80 = 3.70

Henrys change is $3.70

1.20 + (1.20 × 5)

1.20 + 6 = 7.20

The bouncy ball and pen cost $7.20 together

Monday: $2.30

2.30 × 3 = 6.9

Tuesday: $6.90

6.90 + 2.30 = 9.20

Joe found $9.20 total on Monday and Tuesday

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )