Justify Ophelia has $25 a week in income and $25 a week in fixed
expenses. How can she buy a terrarium
and still balance her budget?

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.

Why is causation so much more difficult to prove than correlation?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.