Adriana has $240.65 in the bank.
She withdraws $7.50 / week
for guitar lessons
and $4.25 / week for flute lessons.
How many weeks of taking both lessons
can she afford?

What is always true when two whole numbers are subtracted?

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?