The null hypothesis for a chi-square contingency test of independence for two variables always assumes the variables are independent.

a. True

b. False

1. What is the solution of the system 3x - y = 142 4x + y = 21 A (-5,3) B (4, - 2) C (5, 1) --. contained dimocanda

Which expression is the same as 6 times 52? A) 2 (50 + 6) 6 (50 + 2) 6 (5 + 2) 50 (6 + 2)

Tariku was in second grade she read 6 book during each month of the year. She was in third grade she read 8 books during each month of the year.

Jeff uses 116Rubber bands to make a rubber band ball. He estimates that he has used 448 rubber bands to make 12 rubber band bottles of the same size. Use estimation to check and explain whether his answer is reasonable or not.

50% off 3.18 and the customer gives you 5.00 how much do u get back

Put these in order from least to greatest 2.17x10^-2, 4.18x10^-4, 3.26x10^-3

14. Find the coordinates of the circumcenter for ∆DEF with coordinates D (1,3) E (8,3) and F (1,-5). Show your work.

Michael works as a tutor for $9 an hour and as a waiter for $8 an hour. This month, he worked a combined total of 105 hours at his two jobs. Let t be the number of hours Michael worked as a tutor this month.

Which of the following statements is not true about the profit business model?

Delaney would like to make a 5lb mixture that is 60% peanuts and 40% almonds. She has several pounds of peanuts and several pounds of a mixture that is 20% peanuts and 80% almonds.