Use cross products to determine which of the following pairs of ratios cannot form a proportion. a. 1/3,3/9      b.2/3, 4/9      c.2/3, 4/6        d.1/3, 2/6

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.

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?