Write an expression with parentheses (don't simplify! ) to represent the following quantity: 60 divided by the product of 4 and 3

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap