Damien has saved all of his allowance for a year to pay for guitar lessons and has a total of $550 in savings. His friend Kira is just starting to save and has $50 so far. Each week Damien will pay Kira $25 for a guitar lesson and Kira will save the money in her savings account.

On a architect's drawing of a house, 1 inche representa 1.5

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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?