Amber designed a long, rectangular park that has four sections. Sections 1 and 2 each make up of the area of the park, and Section 3 makes up of the area of the park, as shown in the model. What fraction of the area of the park does Section 4 make up?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

With both problems. a.s.a.p directions on photo ^

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?