Kayla tutors for $20 per hour she spends $50 on transportation how much does she earn is she tutors for x hours

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )