Evaluate the expression 4ab, for a =2 and b = 5

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

If a is a nonzero real number then the reciprocal of a is