Answer:
3f+6
Step-by-step explanation:
To solve this, we combine like terms which are in this case 4f and f. 4f-9-f+15 is (4f-f)+(-9+15), which we simplify to 3f+6.
I believe the answe is 21 because the difference between x and y is 3x
Answer:
The third option is correct I believe. x ^2 + 2x
Answer:
Step-by-step explanation:
The two equations are 8x-10y=-23 and 9x+10y=-16.
If you plug them both into a graphing calculator, you will see that the point where they cross (the solution) is (-2.3, 0.5).
The answer is A.
Answer:
c=2
Step-by-step explanation:
7c=14
c=14/7
c=2
