A farmer has farmland that is a rectangle 4.5km long and 3km wide. He wants to completely cover the farmland in dirt.
He knows the area each truckload of dirt covers, but only in square miles.

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12