How do u check your answer to make sure it's right?

A Canadian wheat farmer wants to buy a tractor in the United States. The tractor costs $100,000. In the fall of 2005, the CAD/USD (Canadian dollars to U. S. dollars) exchange rate was 1.2. In the spring of 2006, the exchange rate was 1.15.

The price of apples is $5.60 for 4 pounds. write the price as a unit rate.

A prism is completely filled with 3996 cubes that have edge lengths of 1/3 in. What is the volume of the prism? There are no options.

What the solution to 0=xsquared+5x-6

Carla had 8 sticks of gum. She gave 2/8 of her gum to her friends. How many sticks of gum does Carla have left?

What's the algebraic expression of "15 less than a number squared"?

Nathaniel can't remember exactly how many cupcakes Haley and Virgil made for the Halloween party but he did remember that all together Haley and Virgil and he had made 156 cupcakes he also remembered that he and Haley and made 110 and he and Virgil

3 out of 4 students surveyed in a school said they will vote for nuncio for class president predict how many of the 340 students in the school would vote for nuncio

Is 10 a solution of 2y+7 (y-3) = 60

Stephanie has pennies, nickels, dimes, and quarters in her piggy bank. The total value of the coins is 0.01 (n + 10) + 0.05n + 0.1 (n - 10) + 0.25 (n - 5), where n is the number of nickels. What must 0.1 (n - 10) represent? A.