Atrain traveled 210 miles in 3.5 hours to its first stop. it then continued on traveling another 130 miles in 2.5 hours. what was the average speed of the train for the entire journey

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

The product of sin 30 degrees and sin 60 degrees is same as the product of

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)