The circumstance of a tire is 96 inches. Determine the radius of the tire. Use 3 for pie.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x,y) t-2, 00 ro, 900(x, y)

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota