3) susan. adam and james are siblings. susan has a weight of 40.65 kilograms. adam is 4.3 kilograms heavier than susan,
and james is 2.9 kilogram lighter than susan. their older cousin robert is 60.8 kilograms less than the sum of the weight of the
three siblings. what is the total weight of the siblings and their cousin robert?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

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

Abcd is a square. what is the measure of angle bac