Hey can someone me with this one too! ?

the answer choices are:

(a) 1067/1825 is a joint relative frequency
(b) 93/1160 is a conditional relative frequency
(c) 93/1160 is a marginal relative frequency
(d) 1160/2027 is a joint relative frequency
(e) 1825/2027 is a conditional relative frequency
(f) 867/2027 is a marginal relative frequency
(g) 1067/2027 is a joint relative frequency

How to use order of operation in 20 divide by 4 multiply 5 = 1

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle