Nick used the calculations below to find the product od the given fractions?
(3/5) (4/9) (- 1/2)

step 1: (3) (4) (-1) / (5) (9) (-2)

step 2: (-12) / (-90)

step 3: 12/90

step 4: 2/15

in which step did his error occur?
o step 1
o step 2
o step 3
o step 4

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document