Complete the number sentence to make it true 54.609 54.69
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30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.