Jim says that a 2 1/2 inch by 3 1/4 inch rectangle has a section that is 2 inches × 3 inches and a section that is 1/2 inch × 1/4 inch. That means the total area is just the sum of these two smaller areas, or 6 1/8 inches squared . Why is Jim incorrect?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

What is the circumference of the pie

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)