In triangle ABC, measure of angle ACB=90 degrees, CD and AB are perpendicular, and measure of angle ACD is 45 degrees. Find CD if BC=3 inches

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

How can writing phrases as algebraic expressions you solve problems?