Point M is the midpoint of AB. The coordinates of point A are (−7, 1) and the coordinates of M are (−4, 1). What are the coordinates of point B?

The coordinates of B are (4, -1).

Step-by-step explanation:

Check by adding the A and B points and taking the average: -8+4 divided by 2 is -4/2=-2.

-1+3/2 is 2/2=1

hope that helps!

() *0.06

Step-by-step explanation:

Cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks.

All spiral-bound notebooks, whether wide-ruled or college-ruled, sell for $1.20 each. This gives expressions : 1.20y and 1.20z

A store sells four-packs of permanent markers in assorted colors for $3.19 per pack. Cleo buys x packs of markers so expression becomes :

(3.19 per pack)

As Cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks.

The combined expression becomes:

The store charges a 6% sales tax on Cleo’s total bill. So, expression becomes:

() *0.06