Write an expression that can be used to find the number of toothpicks needed to make any figure then find the number of toothpicks needed to make the eighth figure

What is the quadric regression equation that fits these data

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

When a rectangle is dilated, how do the perimeter and area of the rectangle change?