The diagram shows a semicircle with centre O
and radius
2
and a semicircular arc with diameter
P
R
.Angle P O R is a right angle.

What is the area of the shaded region?

Which statement about perfect cubes is true

Whats the name of the vertical axis

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.