(b) A hairdryer connected to the mains supply takes a current of 5.5 .Which of these fuses should be (1) used with the hairdryer?
A= 3A
B= 5A
C= 7A
D= 13A
(i) Explain your answer. (1)

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?