(a+b) +5i=9+ai what is the value of b

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

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)