Assume that Q, R, and S are the angles of a triangle, with opposite sides q, r, and s respectively. Select all of the following that represent the law of cosines.

Carl can swim at a speed of 2/3 meters/second. How many seconds will it take him to swim a 150 meter race

Is the function g (x) = - 6x⁴ linear or nonlinear?

The quotient of the opposite of 30 and 6, plus the opposite of 8

Shawn wants to buy a cd player that costs $48.00. If he has already saved $30.00, what percent of the price of the cd player has he saved?

Verbal expression for seven to the 3rd power

The opposite of the opposite of 17, or - (-17), is equivalent to which of the following?

In a right triangle, the side opposite angle has length 3.07 meters and the hypotenuse has length 7.89 meters. What is the sine of the angle?

By 203 and 42 thousandths in standard form and expanded form

According to Ms. Hill's blintz recipe, 2 eggs should be used for every 3/4 cup of sifted flour. At this rate, how many cups of sifted flour should be used if 5 eggs are used?

If two angles are obtuse, then they must be congruent? true or false?