When his bus arrives, Calvin is 40 feet east of the corner. The door of the bus is 30 feet north of the corner. How far will Calvin run directly across the field to the bus?

(Sorry the image is a little pixelated, also I will give brainliest!)

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Me find the value of x each figure.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota