Steve determines line DK and line BC are congruent. He also measures angle K and angle C and determines they are congruent. He concludes that the triangles are congruent by SAS congruence theorem. Is steve correct? If he is incorrect, which congruence theorem should steve use? Explain your reasoning and show all of your work including measurement of angles and/or line segments

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

What is the anwers for 9+2x=5x-3-x

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle