Which is the correct simplification of 5.4 x 10^12/ 1.2 x 10^3 a is 4.5 x 10^7 b is 4.5 x 10^9 c is 45 x 10^6 d is 6.48 x 10^7

Linet passes through (4.5) and is perpendicular to the line shown on the condirate grid.what is the equation of line t in standard form?

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Find the area of a parallelogram with base 15 yards and height 21 2/3