Answer:
2nd
Step-by-step explanation:
using the quadric formula

do the math and you get the second one.
{-1/3,5/2}
Answer:
4,370
Step-by-step explanation:
add 10,500, 1,300, and 2,170
then add 3,100 and 6,500
subtract both sums
got it
Answer:
(m+8) - 2
Step-by-step explanation:
12 in each basket.
28÷4= 7
12÷4= 3
8÷4=2
7+3+2= 12
Hope this helps!