lori wants to trade more than 3/10 but less than 4/5 of her stickers. Which points on the line represents an amount she might trade? What fraction of the stickers might lori trade

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet