please help me with this math problem, the question is on the picture that i attached, ill mark brainliest if the answer is correct. NO links!

What expression is equivalent to 42x-56y

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)