Angle 1 = 20x+60 and angle 3 = 30x+20 find the measure of angle 1

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Which of the following points is collinear with (-2,1) and (0,3)

What number line represents the solution set for the inequality -1/2 greater than or equal to 4