Help me plzzz I’m bad at math

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

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

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)