Is the given sequence arithmetic? if so, identify the common difference. 0.9, 0.5, 0.1, −0.3, . .

How do i multiply two digit numbers

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week