You need to hang seven pictures in a straight line, in how many ways can this be done?

What is 20+(5 x 2/5 )+ 3 show your work

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Combine like terms to make a simpler expression 3z+z