Why is a fixed interest rate almost always better than a variable interest rate?

Is the function f (x) = ( - 7) ^ x an exponential function? If so, identify the base. If not, why not?

0.003 is 1/10 of what decimal?

A car dealership purchased a car for $15,000. They mark up the price by 35%. What is the retail price of the vehicle

Jessica and Monte sell bananas at a produce stand. Jessica earns $4 for each crate of bananas she sells. At the end of the week, Monte has earned $15 less than Jessica.

9 + 99 + 999 + 9999 + 99999 + 999999

Solve 2b+8 (6b-3) = 25+b

During Sonia's trip across the country that she travel 2884 miles her trip took 7 Days find a unit rate to represent the average amount of travel per day during the trip

If you stacked Avogadro's number of pennies one on top of the other on Earth's surface, how far would the stack extend (in kilometers) ?

Y=6x+5 is the equation. what is its gradient

The admission to the movie theatre is $7.50 for children and $9.00 for adults. Last Friday, 750 tickets were sold and $6,411 in ticket sales were made. How many children and how many adults attended the movies last Friday