Answer:
have you given the solution with questions or not
Answer:
B. 1/(3xy^3)
Step-by-step explanation:
The minus sign can be dealt with first, then the root taken.

Answer:
70%
Step-by-step explanation:
21/30 * 100 = 70%
Answer:
D,
Step-by-step explanation:
the is the value of b in ax -by =-5
D , cant isolate b