How to get 98 % marks in maths subject ??

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

Find the domain and range of the following function f(x) = 51x - 21+ 4

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?