Equivalent

At a gymnastics meet, a gymnast scored an 8.95 on the vault and a 9.2 on the uneven bars. What two are equivalent expressions using the commutative property that could be used to find her total work?

Plz anyone who can help that would really be appreciated. :))

The expression (4z + 3)(z - 2) is equivalent to:   A. 4z^2 - 5 B. 4z^2 - 6 C. 4z^2 - 3z - 5 D. 4z^2 - 5z - 6 E. 4z^2 + 5z - 6

Give two different examples of functions that are equivalent to their inverses. show how you know 

The sum of (2h -2), (3h-1), (h+2), (h+5), and (3h+1) is equivalent to:   A. 8h - 11 B. 8h + 11 C. 8h + 5 D. 10h + 5 E. 10h + 11   Choose one and explain & show work

If Richard wins 3 out of 4 games in chess, what is the decimal equivalent of his winning record?

~p→~q, q→~p   construct a table for ~p→~q construct a table for q→~p     Are the statements equivalent?

Which expressions are equivalent to -2.5(1 - 2n) - 1.5n? Select all that apply.   A. -2.5 - 3.5n   B. -2.5 + 3.5n   C. -2.5 - 6.5n   D. -2.5 - n(5 - 1.5)   E. -2.5 + n(5 -... more

Start with one side and show each step to get to the other one.   Thank you!

Start with one side and show each step to get to the other one.    thank you!

Please show steps..    thanks from the struggling precal student 

your choices are 0.4miles, 8.2 feet, 3.5 yards, or 78.7 inches 

Answer options are:   A).(5+x)/x B). 1/(5+x) C). 5+(1/x) D). 5+(5+x)