The equation for a parabola does become
.
<h3>What is parabola?</h3>
A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity follows a curve of this shape.
Given
The derivation for the equation of a parabola with a vertex at the oriin.
The equation of the parabola can be written as;

Hence, the equation for a parabola does become
.
To know more about parabola click the link given below.
brainly.com/question/3719015
Area = 1/2 * 10 * 4 = 20 <span>sq. inches
</span><span>B. 20 sq. inches</span>
Answer:
The African elephant weighs <u>111.5 tons</u> less than a blue whale.
Step-by-step explanation:
Given:
Animal Weight(pounds)
African Elephant 15,000
Blue Whale 238,000
Now, to find the weight of how more tons does a blue whale weigh than an African elephant.
As given, 1 ton = 2,000 pounds.
So, to convert the weight from pound to tons by dividing:
African elephant 
Blue whale 
Now, to get the weight of how more tons is blue whale weigh than an African elephant we subtract:



Therefore, the African elephant weighs 111.5 tons less than a blue whale.
Answer:
B
Step-by-step explanation: