Find values of x and y that satisfy x y equals 0.42 and x plus y equals 1.3. explain your process.

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?