algebra 9-1,2,3

what is the degree of the expression ?18x-x⁴ + 4

• ⁷

• ⁴

• ^-4

• ^-8

which expression is not a monomial?

• -3x²

• 0.5y⁵

• 4mn

• 3s^-2

( x + 5) (x - 5 ) solve this equation with box form.

• x⁶ + 3

• x⁹

• x² + 10x -25

37x + 20x = 3x

• true

• false

what is the degree of -5x^{3 =} 5x- 2

• -5

• 3

• 4

• 6

Is the expression of 9 polynomial

• yes

• no

• i hate life

• 0

( t + 4) ( t- 4)

• t² - 4²

• t² - 16

• t^{3 - 4}