. In the expression (21 - 3) X (7 + 2) + (12 - 4), what operation should you perform last? Why?​

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

If jaime wants to find 60% of 320, which table should he use?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.