The correct answer is A.
That is because the whole paragraph talks about a model car that they are testing but this student is wondering about roller coasters.
Hope this helps :)
Answer:
X=10
Step-by-step explanation:
explanation is in the image above
hope this helps please mark me brainiest
It is 3. Because a square root is anything times itself to make an answer. For example:
Solution:
Given:

Using the simple interest formula,

Therefore, the simple interest is $960.
Y = 7x^2-3
x=7y^2-3
.......................