Answer:
45-(-15)
430-(-180)
11,560-(-185)
Step-by-step explanation:
just add the two numbers together for diffrence.
There would be 8 ones, 4 fives, 12 tens, and 4 twenties. That together would be about $228
(x + 10)² - 1
= (x² + 20x + 100) - 1
= x² + 20x + 99
None of the choices you provided are correct. Did you type in the question wrong?
