Which of the following is true of the commutative property under subtraction? a. 10 + 9 = 9 + 10 b. 10 – 9 = 10 – 9 c. 10 – 9 ≠ 9 – 10 d. 10 – 9 = 10 + 9

Given: ac and db are diameters. m∠3=

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.