Use the table of trigonometric ratios, a scientific calculator, or a graphing calculator to evaluate the following trigonometric functions to the nearest tenth: (a) sin 30, (b) cos 45, (c) tan 80. (Hint: Make sure the calculator is set to “degree” mode.)

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655