Answer:
x= 99 over 5
Step-by-step explanation:
Go and ask ur teacher
I think it's an number that represents an antibiody for an anti mouse
42 tens is the same as 420 ones
42 tens = 42 times 10 = 420 ones
17.5
Break the numbers under the radical into perfect squares: . Take the perfect squares out: you have two 2's, and 2 x's, on the outside of the radical with 2 and z leftover: . Multiply everything together to get .