The rotational period of the Moon about its axis is the same as its revolution period around Earth. Which of these observations supports the statement? A) Only one face of the Moon is visible from Earth. B) On each successive day, the Moon rises almost one hour later. C) The Moon’s phases change every day over the course of twenty-nine days. D) The Moon changes its position in the sky from East to West over the course of a day.

Which expression gives the area of the triangle shown below

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.