How do you write an expression that can be used to multiply 6 x 198 mentally?

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?

Complete the equation of the live through (-1,6) (7,-2)

Which of the following statements is a true conclusion that can be made from the scaled bargraph?