What is the area of the following circle?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Which statement about the graph of y = 8(0.25)^2

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.