Find the solution of this system of equations

-4x-y=-18

-7x+y=-4

A box contains 5 plain pencils and 7pens. A second box contains 9 color pencils and 3 crayons. One items each box is chosen at random.

in a race there are 15 Runners the trophies for the race are awarded to the races finish and 1st through 3rd place and how many ways can first through third place be determined

When rounding to the nearest tenth what is 200 divided by 19.30

the hedge boundary needs to be planted around a rectangular lawn 18 m long and 12 m wide. if 3 shrubs can be planted to grow a metre hedge, how many shrubs will be needed in all?

15 times x = 810.75 Best answer gets most brainliest!

Apply the law of syllogism to write a new statement based on the following: A → B: If it rains, then football practice will be canceled. B → C: If football practice is canceled, then Patrick will go to the cinema.

If tan 0 = - 3/8 which expression is equivalent to cot0?

How many lines of symmetry does the letter R have?

N//4 = 18/72, what is n

Given a triangle with angles of 23, 90, 67, what type of triangle is it: acute, equiangular, obtuse, or right?