Select the correct answer. What is the solution of 3x + y = 9 and 3x - 5y = 15?
ОА.
=
y = -1
OB.
=
Gry = 1
C.
10
x = -1, y = 5
OD. r = 17 = 1

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.

Write the equations in logarithmic form 10^3=1,000

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?