Among the licensed drivers in the same age group, what is the probability that a 78-year-old was involved in an accident? Use the table below.

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.