Answer:
Every number raised to a negative exponent will have a value smaller than 1.
equation: 1/2bh
workings...
13x9= 117
117/2=58.5
answer: 58.5cm^2
(1,1)
Step-by-step explanation:
Since y=x, we can say x=x^2-x+1. This means x^2-2x+1=0. x=1, y=1, thus your solution is (1,1).