If you are 26 years old, you have been alive for more than 8000,000,000 seconds. writhe the last number in scientific notation

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

For the function, f(x) = -5x 2, find f(-4).

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x