Find the dot product for u = { 3, -2} and v = {-5, 1}

Asphere has a diameter of 10 in. what is the volume of the sphere?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What is the value of x enter your answer in the box (3x+50