Answer:
58
Step-by-step explanation:
add 4 eight more times
Answer:
x equals plus or minus square root of 5 minus 1
Step-by-step explanation:
we have

Divide by 2 the coefficient of the x-term

squared the number

Adds both sides


Rewrite as perfect squares

take the square root both sides


therefore
x equals plus or minus square root of 5 minus 1
12 tables seat 4 people = 48 seats
28 tables seat 2 people= 56
therefore there are 104 seats
Plug in the 1/2 where the a’s are answer is -3