The numbers below are cut off. Can you please add another picture
Answer:
Third answer (she is incorrect because she should have squared each leg length and then found the sum.)
Step-by-step explanation:
The pythagorean theorem states that a²+b²=c². This is not equivalent to (a+b)²=c² (due to FOIL expansion, this expands to a²+2ab+b²=c²).
This matches with the third answer, as she has to do a² and b≥ separately.
**This question involves expanding perfect squares, which you may wish to revise. I'm always happy to help!
The third option as you can must flip the second devision part of the equation and make the devision in the middel a multiplication.
Answer:
3x - 24
Step-by-step explanation:
this is probably wrong
The answer is 647-283
explanation