Hong kong had a population of approximately 7,000,000 people. the area of hong kong is approximately 1042 square kilometers. what was the approximate population density of hong kong in persons per square kilometer?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Line ab contains points a(4, 5) and b(9.7). what is the slope of ab?