Julios father is 4 times as old as julio. the sum of their ages is no less than 55. what is the youngest age julio can be?

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places

Im so bad at fractions they are not my best math thing to work on