20 points! a sphere has a diameter of 5 inches. what is the volume of the sphere rounded to the nearest tenth? use 3.14 for pi. a. 16.4 in³ b. 65.4 in³ c. 130.8 in³ d. 523.3 in³

This is different from the first one can someone me

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?