Affonso has 14 fewer dimes than nickels. he has 21 dimes. use the five-step problem-solving plan. how many nickels does affonso have? enter you answer in the box.

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?