Anna is selling tickets to her tennis tournament. an adult ticket costs $20 and a student ticket costs $16. anna collects $1020 for a total of 55 tickets. how many adult and how many student tickets has anna sold? a) 20 adult tickets; 35 student tickets b) 21 adult tickets; 34 student tickets c) 25 adult tickets; 30 student tickets d) 30 adult tickets; 25 student tickets e) 35 adult tickets; 20 student tickets

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

The equation line of cd is y=-2x-2. write an equation of a line parallels to line cd in slope-intercept form that contains point (4,5)