Answer:
Marta can swim a lap 0.7 or seconds faster than Jessica
Answer:
f(6)=1
Step-by-step explanation:
Subsitute
for
in the given function.

To solve this problem, you set up the equation 45+(2x-5)=180
Next, subtract 45 from 180 to get the equation 2x-5=135
After that, add 5 to 135 to get 2x=140
Diviode 140 by 2 to get X=70