the local bookstore is having a sale on used books. Nate bought 3 hardcover books and 7 paperback books and spent $29.50. Tai bought 2 hardcover books and 5 paperback books and spent $20.50. What is the cost of a hardcover book?

Can you decompose the numbers 20,740,6,000

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards