<em>3,2</em>
Step-by-step explanation:
Reflection across the x-axis:
(x,y) -> (x,-y)
In other words, you want to <u>change the sign of the y</u>.
(3,-2) -> (3,2)
Answer:
twenty-five thousand, six hundred seventy-eight
Each cookie costs $1.30
7x+2=11.10
Subtract 2 from both sides
7x=9.10
Divide both sides by 7
x=1.30