The temperature of a city changed by −12 degrees celsius over a 2-week period. the temperature changed by the same amount each week.

part a: write an expression to show the average change in the temperature of the city each week. (5 points)

part b: simplify the expression and explain, using words, what your answer means. (5 points) ?

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50