Answer: 1st box- subtracting 8 from both sides
2nd box- -8
Step-by-step explanation:
Answer:
The answer is (x + 3) (x - 7) = 0
Step-by-step explanation:
x² - 4x = 21
x² - 4x - 21 = 0
x² - 7x + 3x - 21 = 0
x(x - 7) + 3(x - 7) = 0
(x + 3) (x - 7) = 0
Thus, The answer is (x + 3) (x - 7) = 0
<em><u>-TheUnknownScientist</u></em>
B (if annual interest),
200+12%=224
224+12%=250.88
A=adult ticket s=student ticket
64a+132s=$1040
a=2s
128a+132s=$1040
260tickets=$1040
$1040/260=$4
s=$4 (1s=$4x1)
a=$8 (2s=$4x2)
132s=$528 (132x$4)
64a=$512 (64x$8)
TOTAL=$1040