If the length is 18 inches and the width is 24 inches what's the area

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?