Atourist sailed against the current on a river for 6 km, and then he sailed in a lake for 15 km. in the lake he sailed for 1 hour longer than he sailed in the river. knowing that the current of the river is 2 km/hour, find the speed of the boat while it is traveling in the lake.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.