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Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.

Which option describes the most cost-effective way for a skateboard company to purchase plywood? a.a pallet of 100 sheets for $1,000 b.a pallet of 200 sheets for $1,800 c.a pallet of 500 sheets for $3,500 d.a pallet of 1,000 sheets for $8,000