Solve the system of equations using gaussian elimination or gauss-jordan elimination.

1. 2x+y=1

3x-6y=4

2. 5x-3y=-2

4x+2y=5

Write all of the numbers that round to 50

Two fifths of the fish in Gary's fish tank are guppies. One fourth of the guppies are red. What fraction of the fish in Gary's tank are red guppies

7,801 + = 4,890 what is the number

How many real solutions does B squared minus 4ac is less than 0

4. Solve by factoring: x2 + 5x - 14 = 0

M stands for a whole number greater than 10 and less than 20 n stands for a whole number greater than 2 and less than 10 1. What is the smallest number that m x n could be? 2. What is the largest number that m - n could be?

5x - 2y = 3 -5x + 4y = 9 Solve the system of equations. A) x = 6, y = 3 B) x = 6, y = 13 C) x = 3, y = 6 D) x = 1, y = 0

2x-5y=10 in slope intercept form

A plane travel 3,625.26 miles in 6.9 hours. What is the plane's unit rate?

Explain why the product of 3over 4 * 12 is less than 12 Draw a model to justify your answer