Evaluate the summation below.
) (-1 + 6d)
d=2

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false