Answer: 4
Step-by-step explanation: To have an equation with no solution you have to get something like 0=1 meaning you have to remove all the variables. In this equation you would distribute to get xy+2y+2x=2x+12+4x where y is the missing number. then combining like terms you get xy+2x+2y=6x+12. Subtracting 2x from both sides you get xy+2y=4x+12. Now to get the variables gone y has to be 4 so that the variables to cancel out. By plugging in 4 you can see this works; 4x+8=4x+12 and by subtracting 4x from both sides you get 8=12 which is not true meaning there is no solution.
Answer:
$12.49
Step-by-step explanation:
cost of two purses = $57.97 - cost of dress = $57.97 - $32.99 = $24.98
cost of one purse = $24.98 ÷ 2 = $12.49
DEC=72 degrees. The two angles equal each other so you much set them to equal each other.
Answer: 400
Step-by-step explanation:
Remember that

is

. We know form our problem that

and

, so:



Now, to find

, we just need to evaluate

at 3. In other words, we are going to replace

with 3:


We can conclude that the correct answer is <span>
C.6(3) – 4 + 3^2 </span>