The magnitude and direction of two vectors are shown in the diagram. What is the magnitude of their sum?
A) 5 squared
B) 8
C) 20
D) 6

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Evaluate cos2θ for cosθ = square root of 3/2

If g^-1(x) is the inverse of g (x) which statement must be true