Plz
the formula for the hypotenuse of a right triangle with legs of length a and b is shown

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

Which of the following shows the graph of y=2e^x?