If dave is reading 3.5 then the answer is Dave and he read 170 more pages then Jack.
Step-by-step explanation:
3.5 pages x 60 minutes = 210 pages per hour
210
- 40= 170
170 + 40= 210 so thats how I know 170 is the answer.
Answer:
13x^2 - 15x + 12
Step-by-step explanation:
Add like terms.
3x^2 + 10x^2 = 13x^2
-10x + -5x = -15x
4 + 8 = 12
Answer:
The same thing but with y
Step-by-step explanation:
