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  1 point How many ft2 are in a rectangle 13.6 m long and 8.6 m wide?  [Hint: 1 m = 3.28 m] (A = lw. Round your answer to exactly three significant digits when necessary. Use the Metric and U.S. Conversion table provided below to find the conversion factor(s).)

1 point Change 7.5 km to m.  [Hint: 1 km = 1,000 m]

1 point Two small window air conditioner units were purchased and put into opposite sides of a house. One air conditioner was 5,000 Btu and the other, 15,000 Btu. What is the ratio of the 5,000-Btu to the 15,000-Btu air conditioner?

1 point The radius of a gear is 23.0 cm. It turns through an angle of 210.0°. What is the distance a point travels on the surface of the gear (in cm)? (Round your answer to three significant digits.)

1 point The cables attached to a TV relay tower are 110 m long. They meet level ground at an angle of 60.0°, as in the figure below. Find the height (in m) of the tower. (Round your answer to three significant digits.)

1 point A piece of 16-gauge steel has been cut into the shape of a trapezoid with height 14.0 cm. and bases 23.0 cm. and 29.0 cm. What is the area of the trapezoidal piece of steel (in cm2)? (Use the rules for working measurements to give your answer to the appropriate accuracy and/or precision.)

1 point Divide.  

1 point The recommended safety angle of a ladder against a building is 77°. A

1 point The recommended safety angle of a ladder against a building is 79°. A

2 points Use the rules for working with measurements to give your answer to the appropriate accuracy and/or precision. Find the volume (in ) and the lateral surface area (LSA) (in ) of the storage bin.