Answer:
147
Step-by-step explanation:
x = 7,
3x² = 3 × 7²
= 3 × 49
= 147
Answer:
Add the numbers together and divide by the number of numbers. (The sum of values divided by the number of values).
Step-by-step explanation:
Step-by-step explanation:
3cm on map = 45 km
1 cm on map = Xkm
Xkm = 45 / 3
Xkm = 15km
Therefore scale = 1:15000
Answer:
9x^2+12x
Step-by-step explanation: