Does the given matrix a have an inverse if it does what is a^-1

Astore sells four 118-pound ears of corn in a package for $3.59. the expression 3.59p represents the cost of the corn for a number of packages. what does the variable p represent?

Jessica wants to get a credit card, but the bank is refusing to give her one. what could be the possible reason behind the bank's refusal to comply with jessica's request? a. she does not have an account with the bank b. she has a bad credit history c. she has a good credit history d. she is 18 years old e. she doesn't have a job

Which is a factor that might lead a person to make a career choice for the wrong reasons?