Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

If the probability of a chance event is 0.82 it is more likely to happen than which of the following probabilities of another chance event? A) 0.9 B) 0.85 C) 0.8

Solve: 2x+4 * + 5 * + 6 * = 12

Jessica bought a new computer for $800. She put $120 down and got a student discount of $50. Her mother gave her 1/2 of the balance for her birthday. Which of these expressions could be used to find the amount Jessica still owes on the computer

Which inequality is represented by the graph?

A bicyclist was traveling from the village to the railroad station with a speed of 15 mph and he was coming back to the village with a speed of 10 mph.

What is the exact value of 13pi/8

What is the height, h, of the large triangle? Area of triangle = 108

What does 5+ab - mean

K=10t-19 Find the output, k, when the input, t is, - 7.

5x-y+3z=-2 3x+5y+7z=92 2x-2y+4z=-6