SON TRES EJERCICIOS DIFERENTES Y NECESITO AYUDA PARA CADA UNO SE LOS AGRADECERIA MUCHA GRACIA El resultado de operar (3x)(1/3 ab)
*El resultado de operar (x + y) (a - c)
*De 4 x^ 2 – 1 Restar x ^2 + 2 *

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.