Please help me I don’t know how to do these and when you do them please show all your work and the answer can’t be a decimal thank you so much

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

The sum of two numbers is 86, and their difference is 20. find the two numbers