enter the pair of fractions as a pair of fractions with a common denominator denominator 1/2 and 2/5 a pair of fractions with a common denominators are blank and blank.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b