Notebooks cost 1.20 dollars each. this weekend they will be on sale for 0.80 dollars. what percentage is the sale

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years