Which of these is a trinomial?

A. 5xy

B. X + 2y^2 - 7

C. 2x - 7

D. 2x^3 - 7y^3

When making pink paint, the art teacher uses the ratio 3:2. For every 3 cups of white paint she uses in the mixture, she needs to use 2 cups of red paint A. 1 to 2 B. 29 to 30 C. 52:12

One angle in a triangle is half the largest angle, but three times the smallest. find all three angles.

Carl ordered a refrigerator that weights 192 pounds. It was shipped to him inside a box and surrounded by packing material. The total weight of the refrigerator, box, and packing material was 205 pounds.

If you have two numbers and add the first number to 4 times the second, you would get 30. If the second number is added to 4 times the first, you would get 15. What are the two numbers?

So far, an orchard has sold a combined total of 974 pounds of fresh and frozen fruit this season. If they have sold 687 pounds of frozen fruit, how many pounds of fresh fruit have been sold so far?

Teresa graphs the following 33 equations: y=2x, y=x2+2, and y=2x^2. She says that the graph of y=2^x will eventually surpass both of the other graphs. Is Teresa correct? Why or why not?

What number can you multiply by 2 to get 256

Of the 80 houses in a development, 50 have a two-car garage, 40 have an in-the-ground swimming pool, and 35 have both a two-car garage and an in-the-ground swimming pool.

Gaussian surface 1 has twice the area of Gaussian surface 2. Both surfaces enclose the same charge Q. Is the electric flux through surface 1 greater than, less than, or the same as the electric flux through surface 2?

The radius of earth is 6378.1 km, which is 18,243.9 km less than the radius of neptune. find the radius of neptune