A set of n = 10 pairs of scores has ΣX = 25, ΣY = 30, and ΣXY = 74. What is the value of SP for these data? a. 14
b. 24
c. -144
d. -1

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?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Which expression is equivalent to -5(3x - 6/7)