"70% off" The original price of a model solar system is $65.52. How much will Valeria pay if she buys it during the sale?

Write a corresponding real world problem to represent 2x - 125=400

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?