Step-by-step explanation:
Matrix has 5 rows and 3 columns.
So it's order is 5x3.
I think the answer is 3 < x < 8. Make sure to have the underlines underneath the < signs!
Answer: d=12
Step-by-step explanation:

Multiply both parts of the equation by 8:

Divide both parts of the equation by 11:

Answer:
x = 1
Step-by-step explanation:
the angle 2 is equal to 52, because triangles add up to be 180, and 180 - 76 and divided by two is 52. 52 = 4x + 12. Divide both sides by four, then subtract 12. x = 1
Because like terms you add or subtract together to make it easier to do the problem. just like you do with whole numbers. you add an subtract to make the answer simpler.