1)dati 3 exemple de numere naturale n pentru dn are cel putin 4 elemente mai mici decat 60.
2) dati 3 exemple de numere naturale n pentru care mm are cel putin 4 elemente mai mici decat 60.
3)scrieti multimea formata din divizori ai numarului 60 care se gasesc in multimea b={n|nen si 4 < n+1 mai mic sau egal cu 31 }
va rog sa ma !

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20

eight hundred an fifty one point four hundred and fifteen

800+50+1+.4+.01+.005