Consider the equation a(4-x) = -3x+b. what values of a and b make the solution of the equation x = -5? a =

b =

choices -

9 , 7 , 6 , 5 , 1 , 0 , -1 , -5 , -6 , -7 , -9

i really need help w this.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

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