triangle PQR with side p across from angle P, side q across from angle Q, and side r across from angle R If r, p, and q are given, then explain whether the Law of Sines or the Law of Cosines should be used to solve for ∠Q. Law of Cosines, two sides and the included angle are known Law of Cosines, all sides are known Law of Sines, two sides and an opposite angle are known Law of Sines, two angles and the included side are known

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?