Susan will spend less than $39 on gifts. So far, she has spent $21. What are the possible additional amounts she will spend?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$