(3x^(2)+2y^(2)-5x+y)+(2x^(2)-2xy-2y ^(2)-5x+3y)

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Acircle has a circumference of 28.36 units what is the diameter of the circle