The net of a square pyramid and its dimensions are shown in the diagram. What is the total surface area of the pyramid in square meters?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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.

Find the maximum value of p= 4x + 5y subject to the following constraints :