El ingeniero Luna desea construir un edificio con la ayuda de 20 albañiles en un lapso de 320 días. Si al dueño del edificio le urge que sea en el menor tiempo posible, ¿cuántos albañiles tendrá que contratar el ingeniero Luna para terminarlo en 200 días?

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.