To form 3 adjacent squares (as in the figure), 10 toothpicks are required. How many toothpicks are required to form 50 adjacent squares? Question 1 options:

151

301

57

200

We just started the introduction into circles and i have no idea how to do this.

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

How many and of which kind of roots does the equation f(x)=x3−x2−x+1