What’s 2/5+3/4+1/2 in simplest form

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer