24+8 = 30
30 - 12 = 18
18-9 = 8
There are 8 cards left in the stack
Answer:
idk
Step-by-step explanation:
Eq. of given line is x = -2 》x + 2 = 0
Answer:
the value of x is 80
Step-by-step explanation:
X^2 = 81...take the square root of both sides, eliminating the ^2
x = (+-) sqrt 81
x = (+-) 9
answers are : -9 and 9