Is 5/x + 3x-2y a polynomial

How do you write 103.209 in expanded notation

The dress store is having a sale where all merchandise is 1/4 off. A women buys $36 of merchandise at the sale price. What would she have had to pay at the regular price?

15 times 18 + 12 divided by 3 + 9

A roller coaster starts from a deck at an elevation of 20 feet above the ground on the first Hill Climb 78 Feet and then drops 85 feet.

If a truck has a mass 10 times greater than a car, how fast will the car have to move to have the same momentum as the truck when it moves

As men and women age, their risk of death increases. There are also health issues that can greatly impair older citizens' abilities to participate in activities and travel.

Bob bought 3 packs of model xars. he gave 4 cars to ann. bob has 11 cars left. how many model cars were in each pack

Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units? What is the area when x = 3?

Alexa started a business making bracelets. It takes 5 minutes to make each bracelet. How many brackets can she make if she works 569 minutes?

What is the answer to 0.5 (4a+6b)