What would you do to solve the equation below? X/2=15

divide by 2
add 2
subtract 2
multiply by 2

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

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