Answer: the picture has no answer it's invalid but I will try:
X is a 90 degree angle other than that I can't do anything
Step-by-step explanation:
Answer:
13:21
Step-by-step explanation:
Change it into an improper fraction
13/3:7
Multiply 3 with 7
13:21
Answer: -5/6g -2h + 4/3j
Step-by-step explanation:
Distribute -1/3 over the 5/2g, 6h, and -4j, in other words, multiply -1/3 to those other numbers and you get the answer.