There are six purple marbles and four pink marbles in a box. what is the probability of elsa picking a pink marble out the box? a. 4 out of 10 b. 1 out of 4 c. 4 out of 6 d. 5 out of 10 e. 1 out of 10

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

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?

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days