Use the distributive property to evaluate each expression (6+)= -6(9-4)= 5(-6+4)= 4(8 - 7)= (5 - )=

Use PEMDAS and show work on a paper you'll get it (use calculator to check)

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.