Daniel had 30 dollars to spend on 3 gifts. He spent 9 1/4 dollars on gift A and 6 4/5 dollars on gift B. How much money did he have left for gift C?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n