Valentina's Burgers cooks its burgers either well done or medium. The restaurant served 90 burgers last night, 70% of which were well done. How many well-done burgers did the restaurant serve?

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x