Answer:
3x²+12x
Step-by-step explanation:
Expand the brackets
Answer:
i think it's C
Step-by-step explanation:
Answer:
√306
Step-by-step explanation:
→ Work out the height of the triangle
14 - 5 = 9
→ Use Pythagoras theorem
√15² + 9²
→ Simplify
√306
Answer:
y = 1/2x - 3
Step-by-step explanation:
the slope:

the equation:
with the point (4, -1)




I hope this help you