Two cities are 15.7 cm apart on a map that has a scale of 1 cm : 14 km. these cities are 211.4 km apart.

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

What ia the sum if the first 7 terms of the geometric series