The sales tax for an item was $27.20 and it cost $340 before tax. What is the sales tax rate?

Write your answer as a percentage.​

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have