Logan works as a cashier. Today, he has given out 50% more nickels than dimes. If
he has given out a total of $6.65 in
nickels and dimes, how many dimes has he
given out?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

How do you determine if an ordered pair is a solution to a given equation?