Simplify the given expression below by using the commutative and associative properties:
(-21 - 96) + 15

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?