Mailing a letter costs 37¢ for the

First ounce and 23¢ for each additional ounce.
Suppose that we want to write a cost function to describe this situation. Which of
the following is an independent variable?

A. the letter's weight B. the mailing cost
C. 37¢ D. the number of stamps needed

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.