Solve -8x^2 -104=0 either by factoring or by using the quadratic formula

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π