At the football game, 8 out of every 20 spectators were girls, there was a total of 1560 spectators at the game. How many of the spectators were girls

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?