Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = ln(3x), y = 2, y = 4, x = 0; about the y-axis

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details