Exercice 1 On considère l'expression littérale : A = y² - 8y +5.
Calculer la valeur de A pour : a) y = 0 b) y= 10.​

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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.