Matt can buy an 8-ounce jar of salsa for 2.79 or a 15 ounce jar of salsa for 5.54. which jar has the best unit rate

There a total of 82 students in the robotics club and the science club. the science club has 6 fewer students than the robotic club. how many students are in science club?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.