Solve the systems by eliminations 3x-3y+4z=11

Bror simplifies the expression (x^2+3x+2) / (x+2) as follows: x^2+2, x is not equal to - 2 His teacher tells him that his answer is incorrect. State what Bror did wrong, and then simplify the expression correctly.

A cylindrical container has a base area of 100m (squared) and is 12m high. if the container is one third filled with water, whats the volume of the water in the container?

A building that is 25 meters tall casts a shadow that is 6 meters long. At the same time, a tree cast a shadow that is 4 meters long. How tall is the tree? (Freshman highschool math problem)

Five less than the product of a number and-8 is - 77

Which set of ordered pairs could be generated by an exponential function? (1, 1), (2,1/2), (3,1/3), (4,1/4) (1, 1), (2,1/4), (3,1/9), (4,1/16) (1,1/2), (2,1/4), (3,1/8), (4,1/16) (1,1/2), (2,1/4), (3,1/6), (4,1/8)

Which place has the least value in 2,387?

You bought baseball cards at $8 for 12 cards and added them to your collection of 128 baseball cards, Jenny bought baseball cards at $6 for 8 and added them to her collection of 150 baseball cards.

Sally has 39 flowers and Carly has 34 x more than sally how much does sally have

The ratio of a green pepper plants to red pepper plants in adelines garden is 3 tp 5. if there are 20 red peppers plants, how many green pepper lnats are there?

if x degree, 2xdegree, 3xdegree, 4x degree, 140 degree and 160 degree are the angles of a hexagon, find the sizes of unknown angles.