Is it multiplication or much ch ice cream does each cone hold of four cones hold 1/2 pound

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15