Answer:
a
Step-by-step explanation:
they are right
Answer:
-70 is the correct answer
Step-by-step explanation:
To add fractions, find the LCD and then combine
Answer:
2x²√13
Step-by-step explanation:
√52x⁴ = √4×13×x⁴ = 2x²√13
Answer:
103
Step-by-step explanation:
Q6 =
3+(21-1)5 = 103