Answer:
178.2 ft
Step-by-step explanation:

So,

The equation simplified is 5x+9. The coefficient is 5.
Answer:
$93
Step-by-step explanation:
12(3.75+4.00)
= 93
I did the test. The answer is "Group X has less variability in the data."
ok well you would set up an equation 7miles/50 mins=xmiles/75mins then you would cross multiply 7*75=50x
then you simplify 525=50x
then divide both sides by 50 and you end up with 10.5
so she would run 10.5 miles in 75 minutes