Two friends went rowing on a river. They first traveled with the current for 3 hours. The way back took them 4 hours and 48 minutes. Find the speed of the river's current if they can row at 6.5 miles per hour.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.