Please i dont understand and show work

y = -1.5x + 33.8

Step-by-step explanation:

The y is how much is left. every time she washes her hair, she loses 1.5. So the x can be filled in by any number to get the answer. Ex: y = -1.5(4) + 33.8. Now you multiply -1.5 by 4 and get -6. Now you have Y = -6 + 33.8. And solve from there. Pls mark brainliest is this helped

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step-by-step explanation:

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )