I need help please i don’t understand it

What is the value of x in the following equation? -3x-2=2x+8

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the volume of a cone with a height of 6 cm in the radius of 2 cm