Answer:
expanded : 3a + 9 + 2a answer: 5a + 9
Step-by-step explanation:
so 3*a = 3a and 3*3 = 9 + 2a
3a + 9 + 2a
5a + 9
Answer:
35 miles per hour
Step-by-step explanation:
The slope is
m = (y2-y1)/*x2-x1)
= (280-210)/(8-6)
= 70/2
= 35 miles per hour
Answer:4/5
Step-by-step explanation:
Because thats ehat i think
5+2 = 7
Add 5 more (1 more magazine) and the total amount equals 12
So.. bought 2 erasers