Asingle tree produces about 2.6 x 10^2 pounds of oxygen each year. the amazon rainforest has about 3.9 x 10^11 trees. about how many pounds of oxygen are produced in the rainforest each day? 2.8 x 10 ^

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?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.