The supermarket has 50 aisles. 70% are empty, without any shoppers. How many empty aisles are there in the supermarket?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

Solve 2x+y=3 x+y=5 in substitution method