Answer:
Option D → -0.28
Step-by-step explanation:
Let's call the unknown number x.
x+ (50% of x) = 135
x + (0.5x) = 135
1.5x = 135
x = 135/1.5
x = 90
Therefore, the number is 90
Answer: 3 (Finished equation would look like 
)
Step-by-step explanation: to find answer, divide 12 by 4 and the answer will be 3. 3 is the answer because 3 times 4 equals 12.
Answer:
D
Step-by-step explanation:
Probability is calculated by divided the amount of something you have by the total amount. In this case, 5 red cubes by 10 total cubes to get .5. This falls into evens in your probability scale.
3(4+3r)
= 12 + 9r
Hope it helped :)
