Consider the list of operations below. Choose the one that polynomials are not closed under.

A

Addition

B

Subtraction

Multiplication

D

Division

A soup recipe calls for 2 pounds of rice for 25 servings. How many pounds are needed for 30 servings?

One number is 13 more than another number. If the sum of the two numbers is 15, find the two numbers

A company sells cereal in two different - sized boxes. The smaller box has the dimensions of 12-inch, 2-inch and 7 3/4 i. The height of the smaller box is 80% of the height of the lager box, while the other two dimensions are the same for both boxes.

Can u solve 1/2x + 7 = x + 13

In which of these pairs of numbers is 1.75 greater than the first number but smaller than the second number? (a.) 0 and 1 (b.) 1 and 3/2 (c.) 3/2 and 1 9/10 (d.) 1 9/10 and 2

Part A If you create two line segments, one vertical and the other horizontal, to connect with line segment GH to form a right triangle, how long will the vertical and horizontal line segments be?

Ben walks 2/5 miles in 1/4 hour. what is ben's speed in miles per hour?

How do you find the solution of this proportion? 4/9 = m2-1/54 m2 is m to the power of 2

A rectangular park has an area of 64 square yards. If we multiply its length and width by 12, what will be the area of the new rectangle?

A town uses positive numbers to track incresses in population and negitive numbers to track decresses in population. The population had decressed by 300 residents over the past 5 years. The same numbers of residents left each year.