Correct answers only !
what is the check digit (d) for the upc bar code shown below?
a. 2
b. 4
c. 6
d. 8

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

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.