1. A cafeteria is said to dispense 80 ml. of fluid per serving with a standard deviation of 2.5. A student believes that the average amount of fluid is not 80 ml. The student takes 40 samples and measures an average amount to be 78 ml. State the null and alternative hypotheses.
Decide whether or not to reject the null showing all of your work

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q