How long a shadow does a 40-foot tall tree cast on the ground if the sun is at an angle of 0.5 radians relative to the horizon? use a calculator to solve the problem.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.