0.5 x (-0.3) =
-1.5
-15
15
-0.15
(-1)2 + (-1)3 + (-1)4 + (-1)5 =
0
1
-1
2
(2x + 3y) - (x - 2y) =
x + 5y
x - 5y
-3x - 4y
2x - 3y
-1/3 × 1/9 =
1/27
-1/27
1/3
-1/3
- 20 x (0.4) =
8
0.8
- 80
- 8
What is the value of x + y when x = -12 and y = -3?
-9
9
70 - (-60) + (-130) =
260
-260
280
4 x (-0.19) + 6 x (-0.19) =
0.190
-1.9
-0.19
19
The value of -(y - x), if x = -3 y = -5 is:
-8
-2
(3x + y) - (2x + y) =
x
y
3x
2y
