Simplify the following polynomial, then evaluate for x= -2
2x^2 - 4x + 3x^2 + x - 7

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.