Item 25 Use a graphing calculator or other technology to answer the question.

Which quadratic regression equation best fits the data set?

yˆ=32.86x2−379.14x+1229.14

yˆ=32.86x2+379.14x−1229.14

yˆ=−1229.14x2−379.14x+32.86

yˆ=32.86x2−379.14x

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Mrs. sling bought a pound of green beans for $1.80. how much will mrs. tennison pay for 3 1/2 pounds of green beans?