How many solutions does the equation −3a + 3a + 6 = 7 have?

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5

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

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition