Under what operations is the system of polynomials closed?

Sugar expert last year was reduced by 20% from a total of 40000 tonnes. What was the previous years expert?

At the beginning of the summer, Belle has $200 in her savings account. She also saves $50 each week. Write an equation that represents the total amount of money in Belle's savings account, b, after w weeks.

the bakers at Healthy bakery can make 170 bagels in 5 hours. how many bagels can they bake in 13 hours? what was the rate per hour

According to the nutrition label, one large egg contains 6 grams of protein. This is 10% of the daily value (DV) for protein. Express this percent as a fraction.

Which is an effect of deforestation? A) an increased number of animal species due to the land that has been cleared B) a decrease in the number of floods since there are less trees to trap rainfall.

How is the measure of an arc related to its central angle?

Solve the equation for x. 2 3 x - 1 9 x + 5 = 20 x =

To which real number subset do the following real numbers belong? A. rational numbers B. integers C. irrational numbers D. natural numbers

50 cents plus how many nickels equal 1.85

The real number 8.09 belongs to which set of number A. natural numbers B. irrational numbers C. integers