4. sandra drove for 1/3 hour to get to the
store. then she drove 1/5 hour to get to
the library. what fraction of an hour did
sandra drive in all?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2