Answer:
-600
Step-by-step explanation:
4 x 10 x 3 x 5 x -1
40 x 15 x -1
600 x -1 = -600
Answer:
67
Step-by-step explanation:
GOOD LUCK!!
Answer:
3: 
4: 
Step-by-step explanation:
Question 3 can be re-written as:

which equals:

Question 4 can be re-written as:

Doing the first 2 brackets gives us:

Expanding these two:

Simplifying it:

Answer:
$9.00
Step-by-step explanation:
0.75 times 12 equals 9