For certain species of tree, the height h, in meters, is approximated by the diameter d, in centimeters, using the formula (in the picture below). which is closest to the diameter of a 45-meter tall tree of this species?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?