Find the area of an isosceles triangle with base 20 and base angles 40 degrees

Which value of c would make he following expression completely factored? 8x+cy

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks