Answer: $30
Step-by-step explanation:
If 2 movie tickets cost $15, you can multiply that by 2 to get the cost of 4 movie tickets.
-2x • 3x = -6x2 (the 2 is an exponent)
4y • -7y = -28y2 (the 2 is an exponent)
-2x • -7y = 14xy
4y • 3x = 12xy
14xy + 12xy = 26xy
—> -6x2(expo) - 28y2(expo) + 26xy
Check the answer again just to be sure, it’s been a while since I’ve had algebra!
Answer:
A. 30 adults; B. 24 not dolls
Step-by-step explanation:
A.

B.
If five-eighths of the prizes were dolls, then three-eighths of the prizes were not dolls.

Answer:
I believe it is C because it comes out to 8x-10=8x+10
Step-by-step explanation:
The speed is the ratio between the distance and the time:

Data:
d=6343miles
t=9h

Then, the plane traveled at a speed of 704.77 miles per hour.