Sara loves to go hiking. this week she hiked 3 miles on monday, 4 miles on tuesday, and 3 miles on thursday. last week sara hiked 8 miles. how many more miles did sara hike this week than last week?
1 mile
3 miles
5 miles
2 miles

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

How many ordered pairs of positive integers satisfy xy=32?