Triangle ABC is shown below. 6 m
6 m
A 40°
T
B
What is the measure of angle C?
0 100°
O 40°
0 140°
O 90°

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

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?