13. The figure shows a container in the shape of an inverted right pyramid which contains some water. The area of the top surface of the container is 63 cm² and the area of the top surface of the water is 28 cm² - Find
(i) the depth of the water if its volume is 336 cm³
(ii) the ratio of the depth on the water to the height of the container,
(iii) the capacity of the container. ​

Multiplying an even number of negative numbers gives an answer that is choose from:

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.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0