Answer:
Step-by-step explanation:
Answer:
C and D
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
Yes, 3 3/10 + 2 4/5 + 2 1/10 is equal to 8.2 because 3 3/10 + 2 4/5 + 2 1/10 is 41/5 and that into a mixed number is 8 1/5 and THAT into a decimal is 8.2
Hope this helped!
Squared, so it is a parabola
leading coefieint (-4) is negative, so it opens down
it is concave down