Brian's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Brian $4.20 per pound, and type B coffee costs $5.75 per pound. This month, Brian made 151 pounds of the blend, for a total cost of $717.90. How many pounds of type A coffee did he use?

Which is f(5) for the function –2x2 + 2x - 3?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?