Answer:

Step-by-step explanation:
Given

Required
Complete the square
Rewrite so that
has 1 coefficient

Take half of the coefficient of x

Square the result


Add and subtract the result in the bracket

Expand the bracket to remove -4


Expand the bracket

Factorize

Factor out x - 2

Express as square

Answer: 9.0876544e+58
Step-by-step explanation:
Answer:
55 minutes
Step-by-step explanation:
Use a proportion.
x = the number of minutes.

Lisa hikes 3 miles because 1/2*6 equals 3
3^y power because it was stated that y is greater than x so a number to the power of y will always be greater than a number to the power of x. Btw that looks a lot like the one I have lol