In a hotel, there is a safe in the closet that is 40 cm wide, 20 cm long and 30 cm tall. Next to the safe, there's a drawer with digital lock. The drawer
is 30 cm wide,25 cm deep and 20 cm tall. What is the total volume of
space for hotel guests to put their valuables? *
Your answer​

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?