Find sin 0 and cos O if tan 0 = -1/5and the terminal side lies in quadrant IV. Find sin 0 and cos O if tan 0 = -2/3 and the terminal side lies in quadrant IV.
Find sin 0 and cos 0 if tan 0 = 2 and the terminal side lies in quadrant III.
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Which expression is the factorization of x^2+10+21

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)