Which function does the probability distribution graph represent?
a). p(x) = 2x+1 /20 for x = 1, 2, 3, and 4
b). p(x) = 2x+1 /20 for x = 4, 5, 6 and 7
c). p(x) = 2x+1 /20 for x = 2, 4, 6, and 8
d). p(x) = 2x+1 /20 for x = 1, 3, 5, and 7

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]