The answer is A i believe so cause its adding 4 seats every time and you multiply 4*21 <span />
Answer: 20 cm
Step-by-step explanation:
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:
31,250
Step-by-step explanation:
32,000,000x0.5= 16,000,000
repeat the process 10 times and you've got 31,250
Answer:
x= -4
Step-by-step explanation:
2x+4=6x+20
so 2x-6x=20-4
divide both sides by -4
-4x/-4 = 16/4
=-4