Find the following, rounded to the nearest degree

Tan^-1 20/3=? Degrees

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?