Pls only have 1

angelina received two discounts on a $50 pair of shoes. the discounts were taken off one after the other. if she paid $30 for the shoes, what was the percent for each coupon? is there only one way to answer?

The system of equations graphed below has how many solutions?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.