A company finds that if it charges x dollars for a cell phone, it can expect to sell 1,000−2x phones. The company uses the function r defined by r(x)=x⋅(1,000−2x) to model the expected revenue, in dollars, from selling cell phones at x dollars each. a. Use graphing technology to graph the function r . Sketch the graph here and show the coordinates of the vertex and any intercepts.

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

Giving free brainliest + free points if answered correctly ! rural areas have of development. a. heavy signs b. no signs c. one type d. different types

Question 12 which was not a reason the industrial revolution began in england? a) leading world exporter b) favorable finance institutions c) independent local governments d) large labor force question 14 who did not lead the fight to end slavery? a) william wilberforce b) toussaint l’ouverture c) simón bolívar d) olympe de gouges question 15 which was not an underlying cause of the revolutions of 1830 and 1848 in europe? a) increasing aristocratic discontent b) budding romantic movement c) rising tide of nationalism d) growing liberal spirit