●when measuring weight 6 small dogs are approximately equal to 9 large cats. how many large cats are equal to 54 small dogs? how many small dogs are equal to 12 large cats?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Which of these figures must be a rectangle?

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?