For the student council election Jill and Mark made 240 campaign signs. Jill made half as many as Mark. Which system of equations could be used to find the number of signs that Jill made?

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin