Determine whether the correlation coefficients show strong, moderate, or weak correlation.
t= -0.91
strong correlation
moderate correlation
weak correlation
r=0.82
r=-0.49
t=0.26
r=0.54
r=-0.18

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

If the value of cos330°is√3/2 then find cos 165°.