Aaron tracks the time it takes him to mow lawns by writing coordinate points relating x, the time in hours it takes to mow a lawn, and y, the size of the lawn in acres. two of his points are (3, 1.5) and (5, 2.5). which statement describes the slope of the line through these two points?
it takes aaron about 1 hour to mow 2 acres.
aaron’s rate for mowing lawns is 0.5 acres per hour.
the ratio of acres to time is 5 acres to 3 hours.
the rate to mow a lawn is 0.6 hours per acre.

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95

Olga fue a comprar unas botas que costaban $675 con un descuento del 25%y al pagar en caja como fue el cliente 100 de ese día obtuvo otro descuento ? cuanto pago olga por las botas?