WILL GIVE BRAINLIEST!!!

PLEASE HELP ME!!!!Who is the target audience for an open letter? A.a small business owner B.a public group a member of Congress C.a private investigator The two general types of air pollution are _____ and _____. What is this answer? what did the Northwest ordinance prohibit in the northwest territory List the levels of organization of an organism from smallest to largest There are three types of ecological pyramids. they show the relative amount of what in the trophic levels of an ecosystem? which platforms they thinks is better to use for sharing their content,ideas,and stories? social networking site ? Blogging site? Question in picture solve Determine the equation of the line given by the graphA) y=2x+4B) y=4x+2C) y=1/2x-2D) y=-2x+4 Solve the following system of equations using matrices:4x + 5y = 40X-y=1 16) Devin earned $81.20 for working 7 hours. Howmuch will he earn for working 11 hours?Can someone please answer and show work please I only have this period and I need to finish this. My class ends at 8:40 please solve the inequality 4(c-3)>10 Speaking effectively, writing concisely, and listening attentively are all examples of the transferable skill of communication human relations organization, management, and leadership research and planning Which of the following is a benefit of cardiorespiratory endurance? Why did so many Americans take part in reform movements? A. People wanted to live simple lives. B. It was a good way to earn a living. C. Women gained the right to vote. D. Religious involvement increased. The ionization energy of an atom is the energy required to remove an electron from the atom. In the Bohr model, the ionization energy equals the energy difference between the lowest energy level n = 1 , in which the electron is closest to the nucleus, and the energy level n = [infinity] , which has an infinite radius. Can someone help me again please, thanks :) Which committee could cause a bill to never be voted on?a. Ways and Meansb. Rulesc. GAOd. Appropriates HELP ME ITS A GRADE!! What is mechanical advantage?