David invested $500 in a savings account for 4 years. at the end of 4 years, his savings account had $700 in it. if $500 represents p, the principal amount, which percent represents the annual simple interest rate (r) that david earned after the 4 year (t) period?

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.