If two opposite sides of a quadrilateral are perpendicular and congruent, then the quadrilateral is a parallelogram.

a. true
b. false

2÷6+1/2 to the second power plus one

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality