Answer: 40k⁶-15k⁴
Step-by-step explanation:

Answer:
Step-by-step explanation:
Let q represent the number of quarters Theresa has. Then the value of her coins is ...
0.25q + 0.10(20 -q) = 2.75
0.15q = 0.75 . . . . . . . . . subtract 2.00, collect terms
q = 0.75/0.15 = 5
Theresa has 5 quarters and 15 dimes.
Answer:
1.4
Step-by-step explanation:
9.5+0.9t
=9.5+0.9(-9)
=9.5+-8.1
=1.4
11 school days are left.
In the attached picture of a calendar, I marked the days the person has left. There are 11.
Answer:
500=120+60
Variable would either be M or D For 60
Step-by-step explanation: