The graph of f(x) = ax2 opens upward and is narrower than the graph of f(x) = x2. Which of the following could be the value of a? a)-6
b)-0.7
c)0.4
d)3

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.