<span>9x2 + 2 = 10x= x=2
</span>i dont know the first one
Ther should be at least 100 people. 70 is under 16 and 21 are teachers and 9 are older then 16 hope this will help
Answer:
Graph A is the answer
Step-by-step explanation:
for the first one, use Pythagoras theory to find the answer which is
opposite2+adjacent2=hypotenus2
the 2 behind all of them describe the square of all of them
