Rosa picked some peaches from one tree, and then she picked 8 peaches from a different tree. She gave 10 peaches to Sten. She has 12 peaches left. How many peaches did Rosa pick from the first tree?

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )