A groundkeeper need to make a border for the circular area, 285 feet on diameter. one pound of grass covers about 400 square feet of ground.
How many pounds of grass seeds does the groundskeeper need to buy to cover the circular area. explain

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?