Solve the sytems of linear equation by elimination 8x-9y=7

2x-3y=-5

How to turn 0.243 with the 43 being repeated into a fraction?

Ann rolls a 6 sided number cube and then chooses a card from a set numbered 1 through 9. What is the probability that she will roll an even number and choose an odd card?

veronica has 423 baseball cards she put them in 10 piles each how many piles of 10 cards did she make

X=2y+1 find ordered pairs whose x coordinates are 3 or - 3

How can we predict the sign of the product or quotient of sign numbers?

Simplify the expression: 3 / (7-i)

Johnny and sally bought 4 pounds of mulch and two pounds if seedfor the garden. how many ounces of these products did they purchase?

Anthony was driving down a road and after 4 hours he had traveled 92 miles. At this speed, how many miles could Anthony travel in 12 hours?

Two sides of a triangle are 6 m and 7 m. The perimeter of the triangle is 23 m. What's the third side?

When negative five is subtracted from a number the result is 10. Fine the number