If you look at all of the numbers upside down then you get the sequence 86 ?? 88 89 90 91 so the ?? Will be 87, and the closest to upside down 87 is 18
Answer:
x= -(d-a)/(b+c)
Step-by-step explanation:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero
Answer:

Step-by-step explanation:
Rewrite 32 as the product of 16 and 2:

Apply exponent rule 

Rewrite 16 as 4²:

Apply exponent rule 
