Answer:
0.70 = 7/10
Step-by-step explanation:
How much money do you lose if you don’t get either of those options?
Specify?

Multiply the top equation by -3 and added to the second one.
By Elimination.
Answer:
5x -
= 
Step-by-step explanation:
Answer: P = 0
Explanation:
2x^2 + Px - 2 = 0
2x^2/2 + Px/2 - 2/2 = 0/2
x^2 + Px/2 - 1 = 0
If we plug P = 0
x^2 + 0x/2 - 1 = 0
x^2 + 0 - 1 = 0
x^2 - 1 = 0
(x - 1)(x + 1) = 0