For a Quadrilateral ABCD, the measures of its angles are measure of angleA=x+16, measure of angleB=2(x+1), measure of angleC=3/2x-11, and measure of angleD=7/3x-16. Determine the measure of each angle of ABCD and whether ABCD is a parallelogram

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

What point is the projection of q on a) r b) s c) t