Translate to an algebraic expression.

Alex had x dollars before spending $16.50 for a book. How much did he have after the purchase?

Find the mean of these numbers: 4,2,5,6,3

A set of numbers is shown below: {0, 0.8, 1, 3, 6} Which of the following shows all the numbers from the set that make the inequality 7x + 1 ≥ 8 true?

To rationalize a denominator that has more than one term, you multiply the fraction by b/b, where B is the conjugate of the numerator. True or false?

An engineer wants to estimate the mass of gas that is present in a tank. She knows that 1.00 mol of the gas occupies a volume of 24.5 L at the set temperature and pressure. If the volume of the tank is 170.

Han, his sister, his dad, and his grandmother step onto a crowded bus with only 3 open seats for a 42-minute ride. They decided Han's grandmother should sit for the entire ride.

Select all of the zeros of the function f (x) = (3x - 4) (x + 2) 4 2 4/3 -4/3 -2 -4

Diego plays center forward on his soccer team. On average, he scores 1.25 goals per match. The tally of his total goals for the season is given by function f (x) = 1.25 (38 - x), where x is the number of matches he plays.

Whats the answer to + 4 + (-4)

On a certain day, $1 is worh 30.23 Russian rubles. Omar has $75. How many rubles will he get in exchange?

Proper inverse operation 14 + 17 = 31