Me ayudan por favor En una tortería un cliente pagó $160 por 4 tortas y 4 refrescos y otro cliente pagó $170 por 5 tortas y 3 refrescos. ¿cuál es el costo de cada torta y de cada refresco?

En una tienda de deportes por 3 balones de Futbol y 2 de basquetbol se pagaron $ 580 y en otra compra por 2 balones de futbol y 1 balón de basquetbol se pagó $ 350. ¿Cuál es el costo de cada balón de futbol y de cada balón de basquetbol?

En una granja hay 100 animales entre gallinas y conejos, si en total son 310 patas(extremidades), cuantas gallinas y cuantos conejos hay en la granja?

El triple de un número menos el doble de otro número es igual a 14, por otra parte el doble del primer número mas el doble del segundo es igual a 36, de que números se trata.

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Is a positive integer raised to a negative power always positive