Aconstruction worker bought several bottles of juice for $3 at the convenience store. she paid for them with a $20 bill. if i represents the number of bottles of juice. write an expression for the change she should receive.

since each bottle is $3, it would be 20-3x=y. Y is the change she receives and x is the amount of bottles she buys.

Hope this helps :)

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation: