Qi. calculate the thickness of a disc of
a diameter 14cm and Surface area
is 3cm?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

What is the interquartile range of this day at set?