Estimate 874,238 – 228,759 using front-end estimation. (please help it counts as a test worth 50% of my grade) (I will give brainliest)

Which math sentence can be used to determine if the triangle is a right triangle?

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute