Sara set a goal to have $380 by june. she does chores and earns $6 per hour. she has worked 18 hours. how much more does sara still needed save to tech her goal?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply