a, b, c are the 3 segments of the triangle ABC. a, b, c form a geometric sequence cos B =3/4 (1) Find sin B. (2) Judge if sin A, sin B, sin C also form a geometric sequence. (3) Find cot A + cot C. (4) If BA · BC =3/2, find a + c.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Consider circle o, where and . m∠bpd °. °.

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.