Which expressions are equivalent to 3(x + 3y + 2x − y)?

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.