The recipe for a large batch of cookies uses 1 kilogram of flour. Another recipe uses 700 grams of flour. How much flour is needed to make two batches of each recipe? 1 kilogram = 1,000 grams

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?