Given △DEC where DE⊥ CD, ∡DCE = 34°, and CD=47, which equation can be used to determine CE?.

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m