Divide 60 seconds in the ratio 4: 6

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

See attachment below and find the equivalent of tan(∠qsr)

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.