F = 4i - 7j
v = 9i - 2j
Find: -f + v

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)