An airline charges the following baggage fees: $20 for the first bag and $35 for the second. suppose 49% of passengers have no checked luggage, 27% have only one piece of checked luggage, and 24% have two pieces. we suppose a negligible portion of people check more than two bags.

what is the standard deviation of baggage related revenue?

step-by-step explanation:

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

step-by-step explanation:

i believe its "c" because all of the other options include a but it could be d because there is a way of financing with cash at certain places but its uncommon.

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.