Sharon suspects that her brother's penny is unfair. she flips it 50 times and heads comes up 40 times. based on these trials, the probability that a flip of this coin comes up heads is

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Can any one me with the answers to these questions asap?