Louisa went shopping for shirts, and belts. a shirt costs $15, a pait of pants costs $20, and a belt costs $4. if she brought 4 items and spent $54, how many of each item did she buy?

note: this is a try, check and revise question.

What is the relationship between all triangles that can be drawn given the same three angles

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?

The plant were you work has a cylindrical oil tank that is 2.5 feet across on the inside and 10 feet high. the depth of the oil in the tank is 2 feet. about how many gallons of oil are in the tank?