there are 18 girls and 22 boys in a class that has a letter the probability that the owner of the letter is a boy

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get