Dylan gets a weekly allowance of $10. He also earns $5 an hour gardening for his aunt. He wants to save $12 a week for spending money and to save at least $15 a week to buy a new guitar. How many hours will he need to work in his aunts garden each week to reach his goal?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done