El triángulo equilátero inicial tiene lado de 21 cm. Cada triángulo en la cadena descendente tiene sus vértices en los puntos medios de los lados del siguiente triángulo mayor. Si el patrón indicado de sombreado continúa indefinidamente, ¿cuál es el área total, en cm2, de la región sombreada?

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c