Is (5, 4) a solution to this system of equations?

2x + 3y = 23

y + x = 9

Can someone explain to me intersecting lines

The area of a rectangular garden is 84 square meters. the width is 11 meters longer than one half of the legnth. find the legnth and width using the formula area=legnth*width

Which polynomial expression represents a sum of a cubes?

As number is chosen at random 1 to 50 find the probability of not selecting odd or prime number

Which is more, 359 inches or 10 yards? 359 inches 10 yards neither; they are equal submit?

How many x-intercepts are there in y = - 3x2 + 4x + 4

Which is the best estimate 9.6-6.2

In a game of pool, a 0.4 kg cue ball is traveling at + 0.80 m/s when it hits a slower striped ball moving at + 0.38 m/s. After the collision, the striped ball moves off at + 0.62 m/s.

You buy a container of cat litter for $12.25 and a bag of cat food for xx dollars. the total purchase is $19.08, which includes 6% sales tax. write and solve an equation to find the cost of the cat food.

What is y-7=4 (x+4) in standard form