Answer:
21x²
Step-by-step explanation:
hopefully A is a typo
The value of x is 84 degrees
Written as a power of ten is 256.×10^0 or 2.56×10^1
Answer: A is (arithmetic sequence)
and D is 1 2 3 4 5 6 7
Unfortunately, I only know the answer to those two.
Sorry.
Answer:
D: 2f+15
Step-by-step explanation:
f is the number of stamps from France that Carlotta owns.
Twice this amount is 2f
Then, 15 more than twice this amount is 2f + 15, and this is the expression that represents the number of American stamps that Carlotta owns