40 points
the endpoints of the diameter of a circle are at (1,2) and (7,-6), what is the circumference of the circle, to the nearest tenth of a unit?
a. 15.7 units
b. 31.4 units
c. 62.8 units
d. 78.5 units

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

What are the exclude value of mn+3m