Answer:
Just hope for the best
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
x^2 - a
If a is a perfect square we could factor
x^2 - b^2 = (x-b)(x+b)
So a cannot be 36,49,81 since they are perfect squares
a must be 12
28. 10 divided by -2
29. 10y2 over -5
30. 10-5 over -2
31. -10 power of 2 + 6-5 over -2
im not sure if their all right but i hope this helped!
Answer:
A parrallelogram
Step-by-step explanation:
It would be a rhombus because when the 2 diagnols bisect eachother, angle b =91, so that means b would be half of that and all angles in rhombus are equal i tink. I am in 7th grade so idk but that is what i think.