Answer:
8 hours of work
Step-by-step explanation:
$234 ÷ 18 = $13 an hour
$104 ÷ 13 = 8 hours of work
Answer:
1716
Step-by-step explanation:
We can use nCr equation to find this
n=13
r=7
Answer:
Step-by-step explanation:
Try dividing the first equation by 3. The result will be identical to the second equation. Thus, we have two lines that coincide, and therefore there are an infinite number of solutions.
Answer:
90 clockwise
Step-by-step explanation:
rotate it by 90 degrees. it lines up