What is the variance of the value 7, 15, 11, 1, 11

Tom Maxwell is a consultant. This month his travel expenses include: airfare, $2,690.00; taxi fares, $98.60; meals, $290.00; hotels, $590.00; miscellaneous, $38.00. What is Tom's total travel expense?

Anna surveyed 50 students at her school and found that 0.72 of the students she surveyed said their favorite class is math. Another 12% of the students she surveyed reported that their favorite class is science.

neglecting air resistance the distance in feel traveled by a freely falling object is given by the function s (t) = 16t^2 where t is time in seconds the height of a certian tower is 1022feet.

At the movies, Aaron buys popcorn for $5.25 and a bottle of water for $2.50. He pays with a $10 bill. How much change should Aaron receive?

Where is math come from?

2) In a fraction, this is the number above the fraction bar.

What is 2 (x - 5) expanded

Eleni withdrew 45.00 from her savings account. she then used her debit card to buy grocieries for 30.15. what is the total amount eleni took out of her account

Solve. Betty Buyer purchases a stereo system for $225.00. She pays the store $25.00 down and finances the rest ($200.00). She also agrees to pay $20.00 per month for 12 months. Her finance charge = $__ APR = __%

Is 45 degrees positive or negative conterminal