Revue des deux mondes, Volume 72

ab+b² ab² acute angle algebra altitude amount answer approximate numbers base cents certain number class discussion complementary angles Complete and check cost cube denominator digits dimes distance divided dollars Draw equal example Exercises With pencil Explain exponents expression factor Fahrenheit Find the angle Find the area find the height Find the length Find the number find the value formula formula d fractions fulcrum give graph hypotenuse integers invested means miles per hour missing number monomial Multiply negative numbers pair perimeter pounds pupils quadratic equation quotient ratio rectangle represent result right triangle selling price side signed numbers simple interest smaller solution Solve and check Solve problem square root step subtract supplementary angles tangent three-figure accuracy twice Verbal problems weighing width write α α