Which expression is equivalent to 7a4 - 28?

a) -7(a2 + 2)(a2 + 2)

b) 7(a2 + 2)(a2 - 2)

eliminate

c) 7(a2 + 2)(a2 + 2)

d) 7(a2 - 2)(a2 - 2)

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general,m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

Which expression is equivalent to 3^3 + 2^2?

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.