Discover More: Solving Using the Guass-Jordan Elimination Process Solve each of the following equations using Gauss-Jordan elimination.
1. 3x - 4y = -5
10x + y = -2
2. y + 6 = x
2x + 3y = 7
3. 2x + 5y = 23
12y - 4x = 20
4. 3y + 17x = -3
--7x + 4y - 8 = -12 + 2x
5. 2x + 3y - Z=-4
-X + 2y = 4
3y - 4z = -9

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u. s. dollars for every 100 euros. b. gabriella averages 100 u. s. dollars for every 25 euros. c. gabriella can exchange 75 u. s. dollars for 100 euros. d. gabriella can exchange 100 u. s. dollars for 75 euros.