The dot product of u with itself is 12. what is the magnitude of u?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?