Select the correct product. (x^2+4)(x^2-4)​ 1. X^4-16
2. X^4+16
3. X^2+8x+16
4. X^2-8x-16

True or false? many triangular shapes can be circumscribed about a given circle

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?