Which of the following equations is equivalent to 3(a + 4) – 5(a – 2) = 22? 8a + 22 = 22
8a + 2 = 22
-2a + 2 = 22
-2a + 22 = 22

17 is c. congruent means equal in size

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.