Jakob is asked to simplify the expression -3a+4b+5a+(-7b) he writes: -3a+4b+5a+(-7b)= -3a+5a+4b+(-7b) which property allows him to do this? a)the associative property b)the commutative property c)the distributive property d)the additive identity property

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Sketch one cycle if the cosine function y=2cos2theta