Answer:
cummutative
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
Pythagorean Theorem: a^2 + b^2 = c^2
21^2 + b^2 = 29^2
441 + b^2 = 841
Subtract 441 on both sides to get b^2 = 400
Take the square root of both sides to get b = 20
<span>Twice the difference of a number and 5
=
2(x - 5)
hope that helps</span>