What does the symbol * means on the letters

X•(-5)=60 someone plz me cause like yeah

Which line from the text provides specific support for the idea that mantids are excellent hunters? a) first, mantids show an amazing mastery of hunting skills. b) mantids eat a wide variety of insects, including moths, crickets, bees, flies, and grasshoppers. c) they have large, powerful front legs, with spikes that them hold on to prey. d) finally, they are very personable, as far as insects go. (language arts)

Using the spelling rules you learned, determine which of the following words is spelled correctly. (5 points) receipt whineing pumpping freind