On the number line below, the numbers h and k are the same distance from 0. Write an equation to express the value of ℎ + . Explain.

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33