Dark sky lake has 4,000 fish 80% of them are considered "small" and are returned to the lake when caught how many small fish must be removed from the lake so that the percent of small fish in the lake is reduced to 75%

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?