Given a ton of 0 = 1, state 28 tons in terms of 1. Next, (a) find the value of sin 20 and cost 20 in terms of t, (b) if 1 = 2, find the value of sin 40 and cost 40 someone please help me !! urgent

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?