Please help if you really can help with this math question. If a question asks “which of the following best estimates the area?” My answer was $4800. If it’s asking for estimation is it suppose to be $5000 ???

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?