Answer:
The direction that the paraboa y=-4x^2-8x-13 open is
Down
2x(-7)^2-9 = 2x49-9=98-9=89 maybe
Answer:
The sum is rational.
Step-by-step explanation:
-3/8 is a rational number (the ratio of 2 integers)
3/5 is a rational number (the ratio of 2 integers)
When you add 2 rational numbers, you get a rational number.
The answer is 8/10 because whatever you do to the first number you do to the second one