Checking account a charged a monthly service fee of $3 and a per-check fee of $0.02, while checking account b charges a monthly service fee of $2 and a per-check fee of $0.03. how many checks would a person have to write for the two accounts to cost the same?

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

What is the lcm of 16 and 40 ? 24 and 40 ?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?