Answer:
ok so i think it it a or b i don't know but hope i am right
Step-by-step explanation:
The answer is 13 ft because 39 times 4 is 156 and 156 divided by 13 is 12
Answer:
The first step for deriving the quadratic formula from the quadratic equation, 0 = ax2 + bx + c, is shown.

let's begin to solve this equation,,,

<h3>MORE BASIC INFORMATION </h3>
an equation having the maximum power of the variable equal to is called the quadratic equation the general form of quadratic equation is ax² + bx +c =0 where a,b,c are real numbers a ≠0 x is variable •
a quadratic equation can be solved by two method by factorization and by formula
by factorization a quadratic equation can be solved by factorization only when the product AC can be divided into two such part that it had the sum of the difference of the two part is equal to b


130 degrees. The whole line is supposed to equal 180 so 180-50 is 130
Answer:
x = -39/148
y= -6/37
Step-by-step explanation: