Can you please answer all three of these questions. Nike made a shoe for $65.75. Nike decided to mark the shoe up by 55%. How much will this shoe be sold for in the stores?

I paid $399.99 dollars for an iPad, including sales tax. The original price of the iPad was $375. What percent of sales tax did I pay?

I want to build a pool. My friend's pool is 25 feet long by 35 feet wide. If I make my pool 50 feet long, how wide will my pool need to be to make it look the same as my neighbors?

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?