1. Raj was playing around with multiplying odd and even numbers. Here's what he wrote on his paper: Raj conjectured that an even number times an even or odd number will 3 * 5 = 15 4 * 7 = 28 always be even. Can you give a convincing argument to support his 8*5 = 40 conjecture? 6 * 4 = 24 9*9= 81 2. Decide if each statement is true or false. Then prove or disprove the statement.

a) An isosceles triangle cannot be a right triangle.

b. If a figure has four sides, then it must be a parallelogram.

C. If a triangle has side lengths of 3 inches and 5 inches, then the third side length must be less than 8 inches.​