Which properties of equality justify steps b and d?

1. multiplication property of equality; subtraction property of equality

2. subtraction property of equality; division property of equality

3. subtraction property of equality; multiplication property of equality

4. subtraction property of equality; subtraction property of equality

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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