Use Gauss-Jordan elimination to solve the following linear system -x+6y=20

-x+3y=8

A.(-2,-2)
B.(-4,-4)
C.(3.2)
D.(0.5)

15 points ! ~ see if you know the answer to both you!

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b. fitness equipment worth $1,700 c. a holiday package worth $2,000