Jennifer spent $131 on shirts. fancy shirts cost $28 and plain shirts cost $15. if she baught a total of 7 shirts, how many of each kind she buy?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11