Add.-1.6 + [0.8 + (-0.1) + 0.7]
A. 3
B. 3.4
C. -0.2
D. 0
Answer: C
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Find the approximate value of the expression, rounded to four decimal places.cos 38°50'
A. 0.8050 B. 0.6271 C. 0.2964 D. 0.7790
Solve the problem.The hypotenuse of a right triangle is 9 feet long. One leg of the triangle is 3 feet longer then the other leg. Find the perimeter of the triangle.
A. 
ft
B. (3
- 9) ft
C. 
ft
D. (3
+ 9) ft
Solve the problem.The city bridge has 7 lanes, all carrying equal numbers of cars. If 385 cars drive across the bridge, how many cars cross in each lane?
A. 56 cars B. 392 cars C. 62 cars D. 55 cars
Solve the problem.If a neighbor wants to create the area shown as a space for his dog to play, how much wire must he bury around the edge to create an "invisible" fence?
A. 12 m B. 28 m C. 24 m D. 26 m