Answer:
0.0021
Step-by-step explanation:
move decimal three to the left

I'm not sure if you need to simplify
Answer:
y is equal to or greater to one
y > 1 (BUT THE > HAS A DASH UNDER IT)
Step-by-step explanation:
it's a colored in circle and i was taught that that's when the point is included (that's why a dashed should be under the >)
Answer:
I believe she paid $57.50
Step-by-step explanation:
I turned the percent into a decimal (.15) then I multiplied the decimal by 50 and got 57.50.