The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Figure 1 has 2 units. FIgure 2 has 6 units. Figure 3 has 12 units. Use the equation n2 + n = 56 to determine which figure has 56 blocks. Figure has 56 blocks.

Consider the function f(x)=-5x+3 what is f(-2)

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer