**1. In the equation below, a is a constant. For what value of a does the equation have an infinite number of solutions?
24x + 12 = 6(4x + a)

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Select the number of ways in which a line and a circle can intersect

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.