What is -1/3+5(negative one over three plus 5) me im confused

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120