The combustion of 0.25 mol of an unknown

organic compound results in the release of 320 kJ

of energy. Which of the compounds in the table

could be the unknown compound?

Determine whether the expression is a polynomial. 5x-2 - 9x + 6 (I believe it is yes, but only have 1 attempt on my homework)

The amount of money in Nadia's savings account is represented by the recursive formula an=1.025 (an-1) + 50 if a6=291.51 what are the first two numbers in the sequence? A. $25.36, $75.99 B. $50.00, $101.25 C. $101.25, $153.78 D. $75.99, $127.89

A pencil making machine took 1/10 of a second to make enough pencils to fill 1/2 of a box. At this rate, how long would it take the machine to fill the entire box

What number can be added to n and is equal to 200

The area of the two triangles is given by the functions: Area of Triangle A: x2 + x Area of Triangle B: x2 - 3x Which function represents the sum of the areas of the two triangles?

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?

Geoffrey's babysitter stayed from 6:25 P. M. until 10:40 P. M. For how much time does the babysitter need to be paid?

What is equivalent to 4b? A) b+2 (b+2b) B) 3b+b C) 2 (2b)

Find the value of x 58° 42°