First, factor out 5:
5 (x² -x -20)
We need two numbers that add to -1 and multiply to -20. -5 and 4 satisfy this.
5(x-5)(x+4)
After counting, there are 23 people in attendance. If each person is eating two burgers:

You'll need at least
46 burgers.
Answer:If you are using a calculator, simply enter 770×100÷70, which will give you the answer.
Step-by-step explanation:
If treasure is midway of two points then treasures point is(x1+x2/2,y1+y2/2)
16+3/2, 21+2/2
Else any point shown byyour options is treasure's point
Answer:
697.2
Step-by-step explanation: