what is the explicit formula for this sequence -9,-3,3,9,15,... A) an=(-9)+(n-1)6 B)an=6+(n-1)(-9) C)an=(-9)+(n-1)(-6) D)an=21+(n-1)6

x= 149. 24+7=31. 180-31=149

your welcome

the correct answer is 5 6 and 7

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point