# Applications of Expressions and Equations

## Math Quiz

Question 1: What is the perimeter of a rectangle with height 7 and width 9?

Question 2: What is the area of a square with side length 2.5?

Question 3: What is the area of a circle with diameter 20?

Question 4: If x represents the number of hours Mark spends at school, what expression represents twice the number of hours he spends at school, plus five more hours?

Question 5: The perimeter of a rectangle with a height 2x + 1 and a width 7 is 24. What is the value of x?

Question 6: Andrew will do p hours of math practice next month. Alex will do 6 hours more than Andrew. Kate will do 2 hours more than 3 times the number of practice hours spent by Alex. What expression represents Kate's number of mathematics practice hours?

Question 7: A rectangle has a height of 2x + 3 and a width of 3x - 9. What is the value of x if the rectangle is a square?

Question 8: The perimeter of an equilateral triangle is 123cm. What is the length of one of the sides of the triangle?

Question 9: The number of points scored by the Chester Tigers basketball team is 120. Their point guard, Michael, scored 2 points more than one third of the points scored by the team. How many points did Michael score?

Question 10: If the average duration of a song on a CD is x, the number of songs on the CD is n, and the total duration of the songs from the CD is q, then:

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