Evaluate the expression for 2x+3 for x = 7

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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.

Write the equations in logarithmic form 10^3=1,000