9 x 6 = 54 is this right I'll do distributive property next time
Answer:
b
Step-by-step explanation:
supplementary angles add up to 180°.
x = measure of such angle
x + 20 = measure of her sibling.
since "x" has 20 less than her sibling, then clearly her sibling has to have 20 more than "x".

Answer: it is linear
Step-by-step explanation: Find the degree of the equation to determine if linear.