X^2= (x-2[root of x])(x+2[root of x])
Answer:
B
Step-by-step explanation:
80% of 50 is 41.6
rounded up is 42%
I'm not sure what you're asking but they each took 5 hours of work into one hour..
Answer:
15/21 and 14/21 so 5/7 is greater
Step-by-step explanation:
21 is the least common multiple for 3 and 7 so you multiply 7 by 3 to get 21 and do the same with the numerator to get 15 and vice versa.
The answer is the top one