Peter uses unit cubes to build a figure in the shape of the letter x. what is the fewest unit cubes that peter can use to the figure

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

I’m really confused and need your assist me with this question i’ve never been taught

What is the measure of angle 1? a.28 b.152 c.168 d.64