Jack found 11 starfish eat starfish has 5 arms how many arms did the starfish have in all

Can someone answer this question? : )

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

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.