What is the solution for the system

6x+9y=21

4x-7y=-27

The diameter of a bicycle is two feet. About how many revolutions does the wheel make to travel 2 kilometers? Explain. Hint 1km=3,280ft

Abby has 96 songs on her ipod on 8 playlists. if each playlist is the same lenght, how many songs are on each

In a programming team of 20 persons, 1/4 are women and 3/4 are men. to obtain a team with 40% women, how many women should be hired?

Explain this strategy: 1.4 to the power of 4 times. 75 squared equals 2.1609

What is 1.08 rounded to the nearest tenth?

Simplify 5/4 x - 8y - 1/4x + 7y + 3

What angle is included by segments AB and AC

Which of the numbers below belong to both of natural numbers and set of integers? A. - 7 B. 3 C. - 9 D. None of the numbers belong to both the set of natural numbers and integers

You go down 8 floors in an elevator. Your friend goes up 5 floors in an elevator. What is each amount as an integer

llen has already baked 6 cakes, and she can bake 2 cakes with each additional stick of butter she buys. How many additional sticks of butter does Ellen need in order to bake a total of 10 cakes? Write and solve an equation to find the answer.