Find the y value for the point that splits segment ef in half if point e is located at (5, _2) and point f is located at (_1, 3).

a.1

b.0.5

c.4.5

d.2

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.