Simplify the expression (20-14)^2 divided by 12 a)1 b)3 c)17 d)0.5

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Solve for x where 0 equation: cot^2x+2cotx+1=0

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit