She spent $30.83. Explanation is up above :)
Answer:
Change per week: $20
Starting amount of money: $550
Step-by-step explanation:
<u>Given equation</u>:

where:
- x = number of weeks
- y = total account balance
<u>Change per week</u>
As the variable x represents the number of weeks, its coefficient represents the change per week in the amount of money.
Therefore, the change per week in the amount of money in the account is $20.
<u>Initial Balance</u>
The starting amount of money in the account (initial balance) will be the value of y when x = 0:

Therefore, the starting amount of money in the account is $550.
The land area of Florida is 170 000 square kilometres, this is because 1 700 000 divided by 10 is 170 000.
Answer:49
Step by step is 56÷16=3.5
14x3.5=49
Answer: a. 46 cm
Step-by-step explanation:
(7 + 14) × 2 + 2× 2 = 46 (cm)