What is the sum of 4.5 × 10^8 and 8.9 × 10^8?

a) 134 x 10^8

b) 1.34 x 10^9

c) 13.4 x 10

d) 13.4 x 10^7

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Solve the system of equations y= 3/2 - 1, -x+ y =-3

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2