Un plomero cobra $ 25 por una llamada de servicio más $ 50 por hora de servicio. escriba una ecuación en forma de pendiente-intersección para el costo, c, después de las horas de servicio. ¿cuál será el costo total por 8 horas de trabajo? 10 horas de trabajo

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244