. If ab +2c=c, then c = (A) 2ab + c
(B) 4abc
(C) 3abc + 4c
(D) c + 2ab
SHOW YOUR WORK AND TELL ME HOW YOU GOT IT PLEASE ​

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?