Find the difference.

11.5 - 6.79
a.

15.29
b.

5.29
c.

4.89
d.

4.71

See attachment below and find the equivalent of tan(∠qsr)

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

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.