wayra and lily are both hiking along the same trail. wayra is walking at rate of 3.1 kilometers per hour and lily is walking at a rate of 3.6 kilometers per hour . they start their hikes at different time, but at 1:00pm , wayra passes the 3.0 kilometer marker and lily passes the 2.0 kilometer marker a. write a system of equations and solve by using substitutions . round the nearest tenth

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).