Your greatest common factor is 9.
9 * 2 = 18
9 * 4 = 36
9 * 5 = 45
Y^2 - (y+5)^2 = 20
starting with (y+5)^2 that's y^2 + 5y + 5y + 25
then you change the signs and get
y^2 - y^2 - 10y - 25 = 20
so -10y = 45 >> 10y = -45 >> y = -4,5
answer: A
Answer:
the unit price for this question is 1.19
Answer:
Answer is 19.2
Step-by-step explanation:
60x60= 3600 63x63= 3969
3969
- 3600 = 369 square root of the 369= is 19.2
