-3=m/-7
Can someone please help me with this : )

Find the value of the cosine for angle a

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction