Simplify the expression by combining like terms. 22+5−4+7−8

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?

Let f of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. use your calculator to find f″(1).