Evaluate the expression: a(b – c) if a = -8, b = 12, and c = 4

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250