Amanda wants to buy a camera for $620. she can save $55 each week from her paycheck. however, before she can buy the camera she must pay her brother back the $110 she borrowed from him. how many weeks must she wait to be able to purchase the camera?

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²