Alinear function is expressed by a graph of a line that crosses both axes at the origin. an equation is written in slope-intercept form to express the same function as shown in the graph. from just this information, what statements can be made?

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 are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Solve the triangle. a = 21°, c = 105°, c = 5