Solve the following:
a) 2(x + 3) = x -4
b) 4(5x - 2) = 2(9x + 3)

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?