Here is the sample space for three tosses of a coin: {hhh, hht, hth, htt, thh, tht, tth, ttt} calculate the probability that all three coin tosses will give a tails result. a)0.125 b)0.25 c)0.5 d)0.375

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

2.5 milligrams is equivalent to how many grams