GEOMETRY-multiply the following: 1.(4x+1)(2x-7)=
2.(5x-2)(2x+7)=
3.(4x-3)(x-11)=
4.(-3x+1)(2x-5)=

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Measure a and b and find their sum. how are the angles related?