^ABC is similar to ^EDC shown below. Which equation could be used to determine x, the
length of CD?

What is sin 7x/4 ? i need on this urgent trig

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.