The graph of which of the following equations is a straight line parallel to the graph of y = 2x ? a) 4x – y = 4 b) 2x – 2y = 2 c) 2x – y = 4 d) 2x + y = 2 e) x – 2y = 4

The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

Arecipe calls for 1/2 cup of sugar and 3/4 cup of flour. if you have 3 cups of flour and you want to adjust the recipe so you use it all how much sugar do you need?

Mr. murray wants to create 100 ounces of a mixture that is 62% pecans, 30% almonds, and 8% walnuts. how will the amount of mixture a compare to the amounts of mixtures b and c that mr. murray uses? he will use half as much of mixture a as he will use of mixtures b and c combined. he will use one-quarter as much of mixture a as he will use of mixtures b and c combined. he will use one-fifth as much of mixture a as he will use of mixtures b and c combined. he will use twice as much of mixture a as he will use of mixtures b and c combined.