Use the line of best fit to predict the total amount of money earned in tips after working 12 hours.
(8.80)
Tips Earned (dollars)
100
90
80
70
60
50
40
30
20
10
(2, 20)
4
8
10
12
Number of Hours Worked

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.

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?