Fan and medal laura is baking a cake. the recipe says that she has to mix 64 grams of chocolate powder to the flour. laura knows that 1 cup of that particular chocolate powder has a mass of 128 grams. she added two over three of a cup of chocolate
powder to the flour. should laura add more chocolate powder to make the exact recipe or did she go over and by what amount? she went over by one over three of a cup she needs to add one over three of a cup she needs to add one over six of a cup she went over by one over six of a cup

a) she went over by 1/3 of a cup
b) she needs to add 1/3 of a cup
c) she needs to add 1/6 of a cup
d) she went over 1/6 of a cup

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out