Answer: 63
Explanation: trial and error of comparing
Answer:
3:5 = 30:50 because it is ratio 3 x 10 = 30 5 x 10 = 50
Answer:
21.5
Step-by-step explanation:
Just find the find the difference between 34 and 77 (even though 34 is a negative) then half the answer.
Answer:
12
Step-by-step explanation:
20² - 16² = x²
400 - 256 = x
400 - 256 = 144
√144 = 12