Answer:
y = 3x + 3 is the answer tour welcome
2. 225
4. 25/36
6. 0.001
8. 8-20=-12
10. 34-16=18
12. 15/5=3^3=27
14. ?? confused...
16. 8
18. 11.5+4=15.5
20. 3(225)+10=675+10=685
Answer:
Weight of dog: 34 pounds,
Weight of cat: 12 pounds.
Step-by-step explanation:
Let d represent weight of dog and c represent weight of cat.
We have been given that a dog weighs two pounds less than three times the weight of a cat.
3 times weight of cat: 
We can represent the given information in an equation as:

We are also told that the dog also weights twenty-two more pounds than the cat. We can represent the given information in an equation as:

Equate both equations:






Therefore, the weight of cat is 12 pounds.
Substitute
in equation (2)



Therefore, the weight of dog is 34 pounds.
Answer:
16
Step-by-step explanation:
32=1/2(4)b
32=2b
16=b
Answer:
He sold 1.95 kilograms of apples.
Step-by-step explanation:
First we find out what 3/4 of 7.8 is.
3/4 of 7.8 = 5.85
Next we subtract 7.8 by 5.85
7.8 - 5.85 = 1.95
So, the answer is 1.95
Hope this helps! :)