Answer:
8
Step-by-step explanation:
Make x the answer the the equation by swapping the answer with x
6+2=x
Then solve and plug in the variables
8=x
8-6=2
1 km = 0.621 mile;
5 km = 0.621 * 5 = 3.105 miles;
31 : 3.105 = 9.9838969 ≈ 9.98 minutes
Answer: C ) 9.98 minutes
Let the supplement be s.
180=s+115 => s=180-115= 65 degrees
The equation becomes y =-0.7x²+5.4x+6 if the person who is 6 feet tall throws a ball into the air option first is correct.
<h3>What is a quadratic equation ?</h3>
Any equation of the form
Where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
The standard form of a quadratic equation:

Plug x = 0 and y = 6
6 = c ...(1)
Plug x = 1, and y = 10.7
10.7 = a + b + c ...(2)
Plug x = 2 and y = 14
14 = 4a + 2b + c ...(3)
After solving equation (1), (2) and (3) we get:
a = -0.7
b = 5.4
c = 6

Thus, the equation becomes y =-0.7x²+5.4x+6 if the person who is 6 feet tall throws a ball into the air option first is correct.
Learn more about quadratic equations here:
brainly.com/question/2263981
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1/2 was broccoli and 1/2 was mushroom...
he ate 2/3 of the broccoli part......2/3 of 1/2 = 2/3 * 1/2 = 2/6 = 1/3
he ate 1/4 of the mushroom part....1/4 of 1/2 = 1/4 * 1/2 = 1/8
so he ate 1/3 + 1/8 = 8/24 + 3/24 = 11/24 <==