Answer:
The slope is apperently 5 and i rlly don't have a step-to-step explaintion but my teacher explained it and said it was 5 slopes.
Step-by-step explanation:
Let's say that the value invested in the account with a rate of 8% is "x", then the amount invested in the account with a rate of 12% is:

To calculate the total interest we need to calculate the interest of each individual account and sum them:

The total interest is the sum of the two expressions above:

The value invested in the account with 8% interest is 830, the one invested in the account with 12% interest is 1280.
Answer:
352+58x
Step-by-step explanation:
Distribute to get 352+55x+4x-x
Combine like terms to get 352+58x.
Answer:
465 minutes
Step-by-step explanation:
HOPE IT HELPS
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