Answer:
158.428571429
158 remainder 6
Step-by-step explanation:
2 quarters, 7 pennies
5 dimes, 7 pennies
10 nickels, 7 pennies
The polygon would have 24 sides. (n-2)180 = n =24
21.2264 is 21.2 rounded to the nearest tenths; the place after the decimal is there tenths place so in the hundreths place, the number 2 is less than 5 therefore rounding it to 2.
3x² + 9x - 54 :(3)
x² + 3x - 18
(x-3)*(x+6)
