Simplify the expression. (4n-7n^4-4n^2)-(5n-2n^2+5n^4)

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Select the quadratic that has root x = 8 and x = -5