Find the dot product of the vectors u and v, where u=12 and v=7, and the angle between is theta=55 A. u x v=68.81
B. u x v=48.18
C. u x v=10.90
D. u x v=2.87

:malik received a $300 gift card from his grandparents and is using it only to pay for his karate lessons, which cost $30 per month. determine what amount, in dollars, remains on the card after 8 months.