The surface of the lake is at sea level, with an elevation of 0 feet. Tina swims to an elevation of -5 feet. Then she swims 5 feet up. What is Tina's elevation now?
5 feet
10 feet
O feet
-5 feet

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

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]