Yall im lonely .. i need friends lol

Solve the system of equations. y= 2x y= x^2 - 15

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

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