Answer:
we need more info
Step-by-step explanation:
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old
Answer: D. 3 x 10^7
Step-by-step explanation: 9.6/3.2=3 and 10^9/10^2 is 9-2=7, so 10^7, so it would be 3 x 10^7.
The answer would be 10 degrees
i hope this helps
Answer:
268 cm
Step-by-step explanation:
A P E X