Answer:
A
Step-by-step explanation:
Using the pythagorean theorem, 
we plug the numbers in; 
9+36=c^2
45=c^2
sqr root of 45 is 
next find the positive perfect sqr root of 45 which will be 9.
9 goes into 45 5 times so it will be 
Sqr root of 9 is 3 so it will be 
No.
The sum of the areas of the two smaller squares is 5^2 + 3^2 = 34
The area of the larger square is 8^2=64
34 does not = 64
Answer: Not correct
Step-by-step explanation:
If you plug 3 in for x and 7 in for y and solve you figure out there not equal. -1=-2(3)+7
-2(3)+7=1 because -2x3 is -6 and -6+7 is 1 which means -1=1 which isn’t true
Answer:
6973568802
Step-by-step explanation:
I memorized the equation: A(n) = A(1)*d^(n-1).
You can plug into the equation A(21) = 2*3^20, which can be solved to 6973568802. (I solved this step through a calculator by finding 3^20, then multiplying that by 2 to get 6973568802.
Hope this helps!
Answer:
(2×4x)+(4×-5) is the distributive property
