Dorothy made brownies. she wants to put an equal number of brownies in each of 6 bags. dorothy used the expression to find the number of brownies she put in each bag?

(10 + 10) divided by 6

which shows the correct first step to find the number of brownies dororthy should put in each bag?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

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.