Melanie buys a carrying case for her new laptop which cost a 145% as much as her old laptop case the price of her new laptop carrying case is $80 if n represents the cost of her old laptop carrying case which proportion can be used to find n

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

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?