Answer:
40
Step-by-step explanation:
a^2+b^2=c^2
therefore c^2-b^2=a^2
41x41=1681
9x9=81
1681-81=1600
Sqrt1600=40
Answer:
7+(((3^2)*((-5)+1))/2
=-11
Step-by-step explanation:
5x/2 = 10/11
55x = 20
x = 4/11
**Not sure if I did this right I think I did
(X-2y)5=(3)5. 5x-10y=7 we - So 5x-10y-5x- 10y=-8
-20y=-8. y=8 over 20
2.20 is your answer
lol yay