D=-1
-15d=15 so -d=1 so d=-1
S = total # of students / #of students in each group
So you can do, s= t/g
Overall, the answer is 4 students per group
Answer:
4n - 13
Step-by-step explanation:
(5+10n)-(18+6n)
Distribute the negative sign.
-1(18)=(-18) & -1(6n)=(-6n)
5+10n + (-18) + (-6)n
Combine like terms.
10n + (-6n) = 4n
(-18) + 5 = (-13)
4n + (-13)
or
4n - 13
(7,4) and (-1,8) on a graph looks like this
Answer:
y=x+15
Step-by-step explanation:
