1) 2a = 9b ⇒ 2:9
2) a + b = 3b ⇒ a = 2b ⇒ 1:2
Answers: 2:9 and 1:2
Answer:
75.86
Step-by-step explanation:
Mean = Total sum decide by total number
Answer: 7 is 29
8 is 37
Step-by-step explanation:
For 7 the sides are equal to eachother, so you need to do 20 = x - 9, giving x = 29
For 8 the angles are equal to eachother, so you need to do 60 = x + 23, giving x = 37
Answer:
B
Step-by-step explanation:
B because if it's 1000 then the number will be greater then the fraction.
Answer:
no and i dont know what science experiment
