Barbara buys last year's best-selling novel, in hardcover, for $17.25 . this is with a 25% discount from the original price. what was the original price of the novel?

I’m which figure is point g an orthocenter

One positive number is 9 more than twice another. if their product is 95, find the numbers

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