If a word is 28 m above the surface of the ocean what is the elevation

If 25% of y is 30, what is 60% of y?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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.