Abotanist wishes to estimate the typical number of seeds for a certain fruit. she samples 69 specimens and counts the number of seeds in each. use her sample results (mean = 42.6, standard deviation = 18.2) to find the 90% confidence interval for the number of seeds for the species.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.

Atreasure chest sinks at a rate no less than 20 feet er second. the floor of the icean is at most at -4,200 feet. will the tresure chest reach the ocean floor in less than 3 minutes? explain.