An equilateral triangle has 3 equal sides and angles. Each angle is
60 degrees.
-1.5 ------ f(x) = 3(-1.5) - 5
= -4.5 -5
= 9.5
2 -------- f(x) = 3(2) - 5
= 6 -5
= 1
4 -------- f(x) = 3(4) - 5
= 12 - 5
= 7
(9.5, 1 , 7)
There will be eight marbles on the 9th line
He spent $2.35 at the store. Hope it helps! :D
Answer:
-16
Step-by-step explanation:
