This year, 75% of the graduating class of harriet tubman high school had taken at least 8 math courses. of the remaining class members, 60% had taken 6 or 7 math courses. what percent of the graduating class has taken fewer than 6 math courses?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

What is the missing step in this proof ?

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?