Please help i’ll give brainlest if explained, if links or inappropriate comments, i’ll be taking away points thank you.

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

Proving the congruent supplements theorem

Aley is at the store buying some supplies for an art project. she decides to buy some colored pencils for $3.95 and a drawing tablet. the total cost of the supplies before sales tax is $6.94. what is the cost of the drawing tablet? $10.89 $2.99 $1.76 $3.01