Answer:
b by itself is 12
Step-by-step explanation:
b is pretty much just the square root of 144 which is 12
Step-by-step explanation:

Given equaiton is in the form of ax^2 +bx+c=0
we apply quadratic formula to solve for x

a= 1 b = -12 and c= 59



Divide the 12 and square root terms by 2

so
and 
Answer:
Step-by-step explanation:
Givens
b1 = 12
b2 = 50
h = 21
Area = ?
Equation
Area = (b1 + b2) * h / 2
Solution
Area = (12 + 50) * 21 / 2
Area = 62 * 21 / 2
Area = 31 * 21
Area = 651
Answer:
number 1 is number 3 , number 2 is 25.25 and 25.169, 3 is 1/3 and 4/15 and 5/6