Answer:
3f - 8 = number of pennies
Step-by-step explanation:
3f - 8 = number of pennies
The slope is the coefficient of x, which is 10, and the y-intercept is the constant, which is 5.
To find how long it would take him, one has to divide 400 by 160 and then multiply 5 by what that number is. You multiply 5 by the quotient because that is the number that would make it proportional. 400/160 x 5 is 12.5, meaning that the answer is 12.5 minutes, or A.
Answer:

Step-by-step explanation:
well, by using definition of tan of an angle
let the distance between Earth and shooting star is
.
since
,
then 