Perform the indicated operations and simplify.
[8x-(5x-y+3)]-[-4y-92x+1)]

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.