The sum of the measure of the angles of a triangle is 180 the sum of the measures of the second and third angle is four times the measure of the first angle the third angle is 12 more than the second let XYZ represent the measures of the first second and third angle respectively find the measures of the three angles

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

12 3 4 5 6 7 8 9 10time remaining01: 24: 54which graph represents this system? y=1/2x + 3 y= 3/2x -1

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.