Answer:
8xy+4y-z
Step-by-step explanation:
Add values with the same variables; in this case xy
Answer:
The answer to your question is All numbers are greater than one
Step-by-step explanation:
Answer:

Step-by-step explanation:
sum of interior angles in a triangle is 180 degree
interior angles are (5x+3y)∘,(3x+20)∘, and (10y+30)
add all the angles and make it equal to 180

combine like terms


subtract 50 from both sides

Look at the exponent and move the decimal that many places ( to the right for a positive number and to the left for a negative number)