The calories I burn walking can be modeled by the function y = 5x + 100, with x representing the number of minutes spent walking. How many
calories would I burn if I walked for 75
minutes?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

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?