23/4 −(−1 1/2 )+(− 5/6 )−(− 3/8 )−(+4 2/3 ), first one with correct answer gets brainliest

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Pls never taught i’m really confused and i rlly need

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