Answer:
A
Step-by-step explanation:
This is because 6f+f is just 7f.
f f f f f f+f = fffffff
Soooo, ONLY A gives us 7f when added together again.
f+5f+f=7f.
f+ f f f f f +f = fffffff
The like terms are 23y & 2y and 7x & x because they have the same variables
C. Yes, because all the rations of y to x are equal to 3 (: hope this helps
Answer:
D = 51, other = 30
Step-by-step explanation:
d = | 5 1 |
|-1 10|
D = (5 x 10) - ( 1 x -1) = 50 + 1 = 51
| 2 4|
|-3 9|
(2 x 9) - (4 x -3) = 18 + 12 = 30
Answer:
A = $1311 and 96cents
Step-by-step explanation:

P = $1200
r = 1.8% = 0.018
n = 1 (compounded yearly)
t = 5
