Which of the following is not a rate? doing 45 crunches in 1 minute
paying $3.15 for 1 gallon of gas
folding 6 loads of laundry in 3 days
walking 4 miles in 1 hour

1. are the triangles similar and if so why? what is the value of x? show your work.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?