Calculate the percentage change in the area of a rectangle when its length increases by 10% and its width decreases by 10%​

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

What is the approximate circumference of the circle shown below? 12.2 cm

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k