Find the simple interest on $1,975 for 3 1/2 years at a rate of 7.2% per year

What is the area of triangle abc if a = 8, b = 11, and c = 15?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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.