Adding and subtracting fractions with unlike denominators

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two