• A factory sold a bunch of left shoes and right shoes for a total of $20492
• They have enough material to make 3000 shoes.
• They charge $10 per left shoe, and $6 per right shoe.
Write a system of equations to describe the situation:

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

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