The sales of vacuums and dusters at a store are related by the equation 0.8x2+5xy+5y2=6960.8, where x is the number of vacuums and y is the number of dusters sold.

Step 2 of 2: Find dydx if x=24 and y=26. Enter the exact answer or round to the nearest thousandth.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25