Answer:
9
Step-by-step explanation:
The ladder is the hypotenuse, the wall is one of the legs. In order to find the other leg you have to do c^2-a^2=b^2. 41^2-40^2 is 81 and the square root of that is 9
Answer:
PQ = 16
Step-by-step explanation:
PQ + QR = PR
(x + 6) + (3x) = 5x -4
4x + 6 = 5x -4
x = 10
10 + 6 = 16
Answer: B.) 18x^2y^2 3squareroot 3xy^2
Step-by-step explanation:
Answer:
add them together
Step-by-step explanation:
adding and mix them up together