The temperature in Minsk was recorded over a period of four hours. The equation y = -5x + 54 describes the temperature over this time, where y is the temperature in degrees Fahrenheit (°F) and c is the number of hours since measurements started. Which of the following statements correctly describes the temperature?

A: It was 54°F after four hours, and it is dropping by 5 degrees per hour.
B: It was -5°F when the temperature was first measured, and it is rising by 54 degrees per hour.
C: It was -5°F after four hours, and it is rising by 54 degrees per hour.
D: It was 54°F when the temperature was first measured, and it is dropping by 5 degrees per hour.

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

(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.