Suppose an isosceles triangle has two sides of length 42 and 35, and that the angle between these two sides is 120 degree. what is the length of the third side of the triangle?

a. 43.65
b.77
c.58.04
d.66.78

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

X+y=-4 x-y=2 use elimination with adding and subtraction

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?