If today’s uv index is 8, erin will burn in 15 minutes without sunscreen. if erin puts on lotion with an spf of 25, how long will she be protected? the time it takes to burn without sunscreen multiplied by the spf, or sun protection factor, is the time you can stay in the sun safely with sunscreen.

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year