Triangle t and triangle u both have angles of 36 degrees and 44 degrees. Two sides of triangle t are 6 cm and 15 cm. Which lengths could be side lengths of triangle u

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

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

Don't know how to find x given these segment lengths