Please help Solve the system of equations below by graphing both equations with pencil and paper! What is the solution?? Use the photo below!!!

How many degrees does the hour hand move from 3: 00 to 5: 30?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of