There were 128 threatened species of animals and 144 threatened species of plants in the united states in 2001. write the ratio of threatened species of animals to threatened species of plants as a fraction in simplest form.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244

How would you find the height of points on the circle? the topic is trigonometry.

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?