Diego scored 9 points less than Andre in the basketball game. Noah scored tvice as many points as Diego. If Noah scored 10 points, how many points did Andre score?
Choose the correct equation for Diego.
A:9-1=5
B: X- 9=5
C: X-9=0.5
D: X-9=5.5

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?