The final exam for Miguel's math class is worth 120 points and will be comprised of an assortment of 50 multiple choice and free-response questions. Each multiple choice question is worth 2 points and each free-response question is worth 3 points. Which system of linear equations can be used to find x, the number of multiple choice questions on the final, and y, the number of free-response questions? A.
{x+y=120
{3x+2y=50
B.
{x+y=50
{3x+2y=120
C.
{x+y=120
{2x+3y=50
D.
{x+y=50
{2x+3y=120

b

step-by-step explanation:

the word superfluous means unnecessary

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

statement #3: proof- ang is congruent to ang ecd : angles are congruent.  

step-by-step explanation:

1: the missing angles in statement #3  

a.) acb  

reason- the reason why the answer is acb is because angle ecd and angle acb are both the same size *that's what the word congruent means this is really simple.  

2: the missing word in reason #3  

c.) vertical  

reason- the reason why the answer is vertical is because the angles in that diagram on figure 2 is slanted, which is vertical, and the e and a both lay on vertical lines. along with the other's, but e and a are the 2 main points you want to focus on. and c is kind of like your starting point, because c is for both angles, not just one.  

i hope that was and understanding.

your answer is b.

1,333 cubic feet  

and i know this one is right.