Which expressions show the expanded form for 403.08? choose all answers that are correct. a. 4 × 100 + 3 × 1 + 0 × + 8 × b. 4 × 100 + 0 × 10 + 3 × 1 + 0 × + 8 × c. 4 × 100 + 3 × 1 + 8 × d. 4 × 100 + 0 × 10 + 3 × 1 + 0 × + 8 ×

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)