How many significant figures are in each of these problems
-2000+20.5
-106.2+54.07

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?