Simplify the expression:
log10^5 + log10^12 - log10^30

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

When the ball has traveled a distance of