David has $425 worth of items in his shopping cart. he receives a discount of 30% for the items at the checkout. if he then has to pay an 8% sales tax, what is the final amount that david paid?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items