Given the equation y = 2x - 1 and the points (1,1), (3,5), (7,13) show that the slope is the same between these points. show your work.

7x+8y=-18, 4x-9y=-3 solve the system of equations

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

What other information do you need to prove triangle dac=bca by asa