Juan tiene un dinero qué se ganó pero apuesta a la lotería lo que se multiplica por dos luego le regala cinco pesos su mamá y termina con veinticinco pesos¿cuánto dinero tenía al principio?

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

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

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?