Answer:
Step-by-step explanation:
90.9^2 - 21.2^2 = b^2
8,262.81 - 449.44 = b^2
b = 88.39326897450959189749074160142
11x11 is 121 a way to remember it is there is one number on the left one number on the right and they add up to be 2 numbers total
Answer:
multiply the numerator together and denominator together
Answer:
D
Step-by-step explanation:
(if he gathers 4 coins each month you will need the variable by it. he was given 20 coins so it is added on to how many coins he has. plus it would be greater than because the question asked when he will have MORE than 50 coins.)
The sum of any integer and its opposite is equal to zero
Hope this helps :)