Let a = cos θ sin θ − sin θ cos θ . (a) determine a simple expression for a2.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?