Solve the linear equation x + 4 + 3x = 72. State the property that justifies your first step and why you chose it.

Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?

Find the domain of the following expression: 1/(√x)-2

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax