Answer: 60 hours.
Step-by-step explanation:
Let be "x" the amount of hours Nick practice in March and "y" the amount of hours Nick plans to practice in April.
Set up a system of equations:

Applying the Substitution Method, we can substitute the first equation into the second equation in order to find the value of "y". Therefore you get this result:

Answer:

Step-by-step explanation:
<em>The question is illustrated with the attached figure.</em>
Required
Determine XY
To solve for XY, we make use of the tan function, which states that:

In this case:

Substitute 4 for YZ

Make XY the subject


So, the expression becomes:

Rationalize:


Answer:
Dont understands the lay out of this question.
Step-by-step explanation:
Please Explain in details.
Answer:
3÷1/6
3×6(if we have to convert it in multiply we have to reciprocal it)
18