Answer:
Ali´s secret number is 13
Step-by-step explanation:
Answer:
Step-by-step explanation:
Area = pi*r^2
Area = pi*9^2
Area =
Answer:
B.
Step-by-step explanation:
For an expression to be a polynomial , it must contain no square roots of variables, no fractional or negative powers on the variables, and no variables in the denominators of any fractions.
Answer:
-1/60
Step-by-step explanation:
= 
= 
(find LCM of demoninators)
= 
= 
= -1/60
27h / 3h = (9 x3h) / (1x3h) = 9
