Which of the following equations shows how substitution can be used to solve the following system of equations?

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?