A speck of dust is 1.2 x 10-6 m wide. Which of the following is the best way to rewrite this quantity, using more appropriate units?
A. 1.2 x 10-4 cm
B. 1.2 x 10-9 km
C. 1.2 x 10-3 mm
D. 1.2 x 10-6 m

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance