In the accompanying diagram of parallelogram abcd, latex: m\angle a=2x+15 m ∠ a = 2 x + 15 and latex: m\angle b=x m ∠ b = x . find latex: m\angle a m ∠ a .

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75