When you're subtracting negatives, you're adding them so... Here's a tip:
-9 - (-83)
So..
-9 + (-83) = -92
Answer:
23.78
Step-by-step explanation:
34.50-10.72=23.78
Answer:
the answer is 30.45
Step-by-step explanation:
Find the solutions to the system; y=x^2-3x-1 and y=8x-1
Check attached file for solution.