Plz help me its my test

1) 50(64+26)

2) (1,200-700)/5

3) 14(560+440)

Not sure if you need the solutions too but here they are:

1) 4,500

2)100

3)14,000

Step-by-step explanation:

Well it’s gonna be 50x 100 cause the sum of 64 and 36 is 100

I don’t know number 8 but number 9 is 14x1,000 due to the sum of 560 and 440

answer: 819.89 miles across america

step-by-step explanation:

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)