Express these prices as dollars. a.) 7¢ b.) 26¢ c.) 155¢ express these prices as cents a.) $0.89 b.) $2.02 c.) $0.03

Can someone tell me if this is perpendicular? !

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%

What is the value of x? enter your answer in the box.