A veterinarian divided 7/10 of a bottle of medicine equally among some sick cats. She gave each cat 1/10 of a bottle of medicine. How many sick cats were there?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Find the area of the unshaded square

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.