In which number system does the equation have a solution?
x2=20
a) integers
b) natural numbers
c) rational numbers
d) irrational numbers

What is the reflection image of (5,-3) across the line y = -x?

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?