Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 137.5 ft
B. 209.5 ft
C. 275 ft
D. 153 ft
Answer: A
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Indicate the property that justifies the statement.3(s + t) = 3s + 3t
A. Distributive property B. Associative property of multiplication C. Commutative property of addition D. Associative property of addition
Use the fundamental identities to find the value of the trigonometric function.Find cot ?, given that cos ? = 
and ? is in quadrant IV.
A. 
B. - 
C. - 
D. - 
Find the mass, in grams, for the given number of molecules of a compound whose molar mass is given. Round your answer to the nearest hundredth of a gram.1.93 × 1022 molecules of calcium nitrate (Ca(NO3)2); molar mass 164.10 grams
A. 316.71 grams B. 0.03 grams C. 5.26 grams D. 1.18 grams
Solve.Given the area A, and length l, of a rectangle, the width can be found using the formula w = 
. Suppose the area of a rectangle is 
square inches and the length is 
inches . Find the width.
A. 
in.
B. 
in.
C. 
in.
D. 
in.