If a=-2-4i and b=-x then find the value of a^2b in fully simplified form

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative

Which number is composite a.9 b.5 c.11 d.2