1.Simplify:
(
2
𝑥
+
3
)
−
(
4
𝑥
−
5
)
(2x+3)−(4x−5).
2.Solve for
𝑥
x:
5
𝑥
+
3
=
2
𝑥
+
12
5x+3=2x+12.
3. What is the area of a triangle with base 10 cm and height 5 cm?
4. If
1
2
2
1
of a number is 10, what is the number?
5. Find the greatest common divisor (GCD) of 48 and 64.
6. Calculate the circumference of a circle with a radius of 7 cm. (Use
𝜋
=
22
/
7
π=22/7)
7. If
3
𝑦
−
7
=
2
𝑦
+
5
3y−7=2y+5, what is the value of
𝑦
y?
8. Which of the following is a perfect square?
9. Solve for
𝑧
z:
4
𝑧
+
9
=
2
(
2
𝑧
+
7
)
4z+9=2(2z+7).
10. If
3
5
5
3
of a number is 18, what is the number?
11. What is the probability of rolling a sum of 7 with two dice?
12. Find the value of
𝑥
x in the equation
2
(
𝑥
+
4
)
=
3
𝑥
−
6
2(x+4)=3x−6.
13. Calculate the volume of a cube with side length 3 cm.
14. Solve:
(
3
𝑥
−
2
)
(
𝑥
+
5
)
=
0
(3x−2)(x+5)=0.
15. If the ratio of boys to girls in a class is 3:4 and there are 28 students, how many boys are there?
16. What is the value of
5
6
×
12
15
6
5
×
15
12
?
17. Simplify:
(
𝑥
2
−
9
)
/
(
𝑥
+
3
)
(x
2
−9)/(x+3).
18. What is the product of the roots of the equation
𝑥
2
−
5
𝑥
+
6
=
0
x
2
−5x+6=0?
19.Solve for
𝑥
x:
7
𝑥
−
4
=
2
(
𝑥
+
3
)
7x−4=2(x+3).
20. If a box contains 2 red, 3 blue, and 5 green balls, what is the probability of picking a blue ball?
