When paul started working out regularly, he lost 1/2 pound each week for 4 1/2 weeks. what was his change in weight?

2 1/4
-2 1/4
9
-9

In which form is the following function written? y = - 2(x – 3)(x + 5)

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%