The number which can be added to -3 to give 15 is:
-18.
12.
18.
-12.
The solution of the inequality 3 - 5x ≥ 18 is:
x ≥ -3.
x ≤ −3.
x ≤ 3.
x ≥ 3.
Simplify: (a + b)².
a² + 2ab + b².
a² + (ab)² + b².
2a + 2ab + 2b.
The coefficient of t in the expression 3x2 + t − 5 is:
-5.
3.
1.
2.
Simplifying 8a + 3 + 5 - 3a gives:
5a + 5.
5a+8.
11a +8.
8a+ 5.
