Which of the following functions are one-to-one? Select all that apply. f(x)=x^3-7
f(x)=x^2-4
f(x)=1/8x-1
f(x)=5/x^4
f(x)= IxI
There are only 2 correct options.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?