If a=7 and b+c=67, find a²+ab+ac

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

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.

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.