Please help i will brainlist you for this one if yyou give me the correct anwser.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.