Consider the family of triangles that include right, obtuse, acute, isosceles, scalene, and equilateral. Select all the statements about these triangles that are true.

All right triangles are also isosceles.
Some isosceles triangle are also right.
Scalene triangles are never right.
Scalene triangles are sometimes right.
Right triangles are never isosceles.

Rearrange the formula c^2 = a^2 + b^2 for b

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.

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in