How many solutions does the given system of equations have? y=1/2x + 4 y=-x+10

1)Infinitely many solutions
2)Two solutions
3)No solution
4)One solution

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Answer for 10 points show work you guys in advanced < 3

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1