Los siguientes superheroes, deben combatir al malvado Ultron, pero solo deben ir a pelear 3 de ellos ( son 7) A)Cuantos grupos diferentes se pueden enfrentar al malvado Ultron?

B)Si de los grupos que se forman 2 integrantes deben estar juntos ¿ cuantos se pueden formar?

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.

Acount went up from 450 to 600. what was the approximate percent increase?