6 + 3q + 306 + 153q + 15
156q + 327
Answer:
The explicit rule is:
Step-by-step explanation:
The explicit rule is given by:

The given sequence is 25,21,17,13

d=21-25
d=-4
We plug in the values into the formula to get;



Answer:

Step-by-step explanation:
Complex numbers identity:
The complex numbers identity is:

Square of the sum:

In this question:





So

Answer:
44$
Step-by-step explanation:
u multiply 8 by 3 and 5 by 4 and you get 24 and 20 and add 24 and 20 and u get 44