How do I show the work to figure out, how many inches are in 4.2 meters

Simplify the following polynomial expressipn

Which set of side lengths could be the side lengths in a right triangle? (A.) 8, 20, 25 (B.) 9, 40, 41 (C.) 10, 40, 45 (D.) 6, 30, 31

72.1 written as a fraction

What the pattern then rule for each. Number 18,250 18,500 19,000 20,000

X-the square root of 2

What is the degree of this polynomial? - 11x^3+10x

Macie just bought a new fish tank. The fish tank is a cube with a side length of 1.75 feet. She is going to fill the fish tank using a small plastic container she found in her kitchen cupboard by filling it at the sink, walking it to the tank,

Tim bought a soft drink for 2 dollars and 4 candy bars. He spent a total of 18 dollars. How much did each candy bar cost?

Cassidy's goal is to raise more than $75 for charity. She has already raised $6. Now she is selling cupcakes for $3 each to reach her goal. Let c represent the number of cupcakes Cassidy needs to sell to reach her goal.

5 out of 8 cameras sold in a store are digital they sold 72 cameras how many digital discthey sell