Answer:
$13.50
Step-by-step explanation:
9 9/10 = 9.90
6 3/5 = 6.60
x = 30.00 - 9.90 - 6.60
x = 13.50
Step-by-step explanation:
The explanation is in the second photo
Answer:
For number 10 it would be A
For Number 11 it would be 7, 7.25, 7.7
For 12 It would be
For 13 It would be
And for 14 it would be
The easiest method of multiplying polynomials, in my experience, is the FOIL method. Honestly, I couldn't tell you what the letters stand for anymore, but I definitely remember how to do it. It's just distribution.
(6x+1)(5x+8)
Multiply the 6x by 5x and 8, then the 1 by 5x and 8:
30x²+48x+5x+8
Then combine like terms:
30x²+53x+8