Compare the standard deviations and spread of the following sets of data: {67, 78, 89, 97, 101, 105, 115, 140} and {99, 99, 98, 100, 97, 101, 96, 102}

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

Write the expression 7x^3-28xy^2 as the product of 3 factors

What is the solution to the system of the linear equations