Tamera rewrote the expression 0.2(4+1.4y-2.1) her steps are shown Step one: 0.2(4+1.4y-2.1)
Step 2: 4.2 + 1.6y - 1.9
Step 3: 4.2 - 1.9 + 1.6y
Step 4: 2.3 + 1.6y
Which statement identifies and explains the first mistake Tamara made?
Check the pictures for the answers to chose from.

answer: l

step-by-step explanation:

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

the answer is a if my teacher taught me correct

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation: