Addition a2 - ab + 2bc + 3c2 , 2ab + b2 - 3bc - 4c2 and ab - 4bc + c2 - a2

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.