Which expressions are equivalent to 2 ( a + 3 b ) 2(a+3b)? ​ ​Mark all that apply. A 2a+6b2a+6b B a+(a+6b)a+(a+6b) C 2b+3a2b+3a D a+3ba+3b E 2a+(5+1)b2a+(5+1)b F a2+b5a 2 +b 5 G

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

When rolling 26 sided number cube what are the chances some of the role will be seven