Answer: 57 min
i used a calculator.
The answer is D.polygons 1 and 2
Answer:by summing up the standard unit is
230g
Answer:
the cat weighs 21 pounds.
the dog weighs 43 pounds
Step-by-step explanation:
dog = 3x-20 = x + 22
cat = x
3x-20 = x+22
3x = x+42 (add 20 to both sides)
2x = 42 (subtract x from both sides)
x = 21