What's the perimeter of a regular pentagon which has the side of length 2x+7?
A fertilizer mixing machine is set to give 4 kg of nitrate for every quintal bag of fertilizers. Five 100 kg bags are examined. The percentages of nitrate are: 2, 6, 4, 3, 1. is there reason to believe that the machine is defective?
Through the Pythagorean Formula for calculating distance between two points the distance is given by the following; D=17
i have aproblem in balancing equations
Jack bought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of 1 slice of mushroom pizza?