PLEASE HELP ME! I HAVE NEEDED HELP FOR MANY MANY HOURS

Question

Question 1: Evaluate 5(A + 2B) if possible.

A.)

B.)

C.)

D.)

Question 2: Evaluate DC if possible.

A.)

B.)

C.)

D.) not possible

Question 3: Identify the graph for the point C(−2, −1, 2) in three-dimensional space.

A.)

B.)

C.)

D.)

Please just only give solution and explanation.

Answer 1

For Question 1:

in your upper left corner number

take 5*2 + 10*-9 = -80. so you can eliminate B and C

in your upper right corner number

take 5*(-4) + 10(6) = 40 so you can eliminate D

I can give more explanation, try to do Question 2 ? see how you do