Answer:
7290
Step-by-step explanation:
Using proportion then
= 
( cross- multiply )
30c = 18700 ( divide both sides by 30 )
c = 7290
The cost of 120 calculators is 7290
Answer:
Its the 2nd one
Step-by-step explanation:
Simplify the exponents and then multiply
1.y=-7x-2
2.y=-4x+10
next time juust plug the numberes in for example for the first one right the y=mx+b then plug in 5 for the y and -1 for the x then -7 for the m then solve
I dhehehbshshshsjskjsjsjsoosss
The anaswer would be a because if it is streched that long then the graph would be 2
