What is the Mr of C3H7COO-Na+? Ar: Na = 23; C = 12, O = 16:

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170