Asingle tree produces about 2.6 x 10^2 lb 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 year?

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

What is the absolute value of the complex number -4-sqrt2i