2a. List or draw three possible rectangular dimensions that can be made from a 30 foot piece of fence.

2b. Which of your solutions encloses the smallest area? Justify your answer.

2c. The perimeter of a rectangular field is 90 feet. If the length is 4 times the width,
find its dimensions.

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.