Answer:
C. About 22
Step-by-step explanation:
13.3 + 2.8 + 5.6
= 21.7
Since 21.7 is close to about 22, we can conclude that C is the final answer.
Answer:
0
Step-by-step explanation:
Combine like terms, perform the operations with the coefficients of the variable, then write the variable.
10r - 5r + 3r - 8r
= 5r + 3r - 8r
= 8r - 8r
= 0
-12 is an integer because all fractions are rational numbers.
The answer is what that guys said
(Also what grade is this?)
64, because its square root is 8.
49, because its square root is 7.
144, because its square root is 12.
4, because its square root is 2.