The national average sat score is 1028. Suppose that the distribution of sat score is normal with standard deviation of 100. What is probability that a random selected score exceeds 1200.

Evaluate the expression for the given value of the variable 7a - 4a for a =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

Which graph represents the parent function of y=(x+2)(x-2)