Hello,
Yes since (2*6.4)²+9.6²=256=16²
Angle A=90°
Answer:
231
Step-by-step explanation:
=
42÷2= 21
9×21= 189
189 students total
42 6th graders
Answer:

Step-by-step explanation:

Add 20 to both sides:

Multiply 8 on both sides:


Divide by 13 on both sides:

I think this might be the answer since (a+b) equals 4, and ab= 3. I'm not sure.
a3 + b3
= (4)3+4(3)
= 12+12
= 24