Is this right? I’ll mark brainliest if you’re correct

Find the missing number. a. 3 : 24 = : 72 b. : 18 = 5 : 9 c. 6: = 36 : 36

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?