PLEASE HELP ASAP, MARKING BRAINLIEST!!

Find the value of x.

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

43lbs of tomatos cost $387. how much would 41lbs cost

If the scale factor between two circles is 2x/5y what is the ratio of their areas?