Answer:
Step-by-step explanation:
You can plug in the 294 for A and solve
Answer:
C is true
Step-by-step explanation:
Answer:
Step-by-step explanation:
x²+x²=9²
2x²=81
x²=81/2=(81×2)/4
x=9√2/2≈4.5√2≈6.36
9.
x²+x²=11²
2x²=11²
x²=11²/2
x=11/√2=11√2/2≈7.78