Which statement correctly explains weather the equation y = x^2 - 2 represents a function ?

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c