Sam and her brother Nate are collecting stamps together Nate has collected 5 more than twice the number of stamps Sam has collected. in total they have collected 26 stamps. let n be the number of stamps that Sam has collected. which f the following equations models this situation?

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

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12