The outside temperature on a winter afternoon is -7c in the evening of the same day, the outside temperature is -23 c.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.