(25x^2 − 14xy + 4) − (7x^2 − 9y) + (2xy + 7)
= 25x^2 − 14xy + 4 − 7x^2 + 9y + 2xy + 7
= 18x^2 - 12xy + 9y + 11
Hope it helps.
The multiplicative inverse of 3 is 1/3.
If it i set up like this just multiply the opposite corners.
<u /><u>k</u> = <u>32</u>
7 56
So multiply k * 56 and multiply 7 * 32.
Now you should have 56K = 224.
To solve for K, divide both sides by 56 to get K by itself.
Final Answer: K=4.
I believe the answer is c 495 chairs. brainliest?
25*20=500
500-5=495
