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.

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.