Simplify this expression 3a + 4 + b + 2a + 5 + b

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

If y varies directly as x2 and y=6 when x=6, find the constant of variation.