In which numeric expression will 4+5 be step in simplified is it a 16-4+5 Or b4+(5×2
Or c 9×(4+5)-2
Or d 4+5[9-(6+2]

take the top number and divide it by a the bottom number

step-by-step explanation:

1/2 1 divied by 2 = .5

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

she was supposed to add the hours(38.5) and multiply the amount of money she earned(7.50) resulting in $288.75 .

correct me if i'm wrong and if it is i'm truly sorry.

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110