Combine as indicated by the signs. write variables alphabetically in your answer. 3/x+1/xyz+2/xy

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

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