Write an
explicit formula for an, the nth term of the sequence 7,35, 175,

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?

The equation y equals 11 x represents the calories jake burns when cross country skiing, where x is time in minutes and why is the number of calories. the graph shows the calories he burns while playing basketball which activity burns at a faster rate? explain