Gabriela bought a new pair of glasses at the store when they were having a 30%, percent off sale. if the regular price of the pair of glasses was $72, how much did gabriela pay with the discount?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years