The answer is B. were realistic with their math skills because Trends in International Mathematics and Science Study (TIMSS) provides genuine and updated statistics on mathematics and science performance of U.S. students and also they assess advance mathematics and physics performance of last year of secondary schools over the countries.
Answer: x 
12
Step-by-step explanation:
Answer:
2 , 10 , and 15 in order of missing spaces, up to down
Step-by-step explanation:
You find the ration 8/20 and find out if the ration is simplifiable and turn it to 2/5 which you multiply the rest of the answers too. Hope this answers your question :)
Answer:
13.2''
Step-by-step explanation:
lets ? be x
x² + 15² = 20²
x² = 20² - 15²
x = √175
x = 13.2''
so missing length = 13.2''
