5. What is the y-intercept in the equation y = 1/4 x + 20

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

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.