Evaluate if r=12 s= -4 t= -6
8-r/-2

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?