Solve the problem.Use the line graph to determine how many more hours were needed to prepare for Test 4 than for Test 2.
A. 1
B. 3
C. 2
D. 4
Answer: C
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Subtract in the indicated base.648 - 358
A. 218 B. 318 C. 248 D. 278
Find all real numbers that satisfy the equation.sin 2x = - 
A. 
B. 
C. 
D. 
Solve. Write the answer as a mixed number as needed.The floor of a rectangular room is to be tiled with 
foot square tiles along a 7
foot wall. How many tiles will be needed along the wall?
A. 2
tiles
B. 21
tiles
C. 22
tiles
D. 26 tiles
Solve the problem.A lake is stocked with 658 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 4112. The population of fish in the lake after time t, in months, is given by the function, P(t) = 
. After how many months will the population be 4092?
A. 12 B. 7 C. 17 D. 20