The diagram shows a candle in the shape of a pyramid abcde. abcd is a
square of side 8 cm and ae = be = ce = de = 12 cm.
(a)
show that the vertical height of the candle is 10.6 cm , when
corrected to 3 significant figures.

What is the distance between point a and b

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost