Use the labeled point to write the point-slope form for the line.
A. y - 1 = - 
(x + 4)
B. y - 2 = - 
(x + 4)
C. y - 2 = - 
(x - 4)
D. y + 1 = - 
(x - 4)
Answer: A
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Perform the addition or subtraction and give your answer in Hindu-Arabic form.
A. 22 B. 42 C. 46 D. 26
A car leaves an intersection traveling west. Its position 4 sec later is 26 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 4 sec later is 26 ft from the intersection. If the speeds of the cars at that instant of time are 12 ft/sec and 10 ft/sec, respectively, find the rate at which the distance between the two cars is changing. Round to the nearest tenth if necessary.
Select the correct answer. a. 15.6 ft/sec b. 3.7 ft/sec c. 3.1 ft/sec d. 36.8 ft/sec
Convert the improper fraction to a mixed number. Write the answer in lowest terms.
A. 4
B. 3
C. 3
D. 2
Solve the problem.In a sale, the price of a computer is reduced by $132. The sale price is $1648. Find the marked price (original price) and the rate of discount. Round the discount rate to the nearest tenth of a percent if necessary.
A. $1516; 8% B. $1780; 7.4% C. $1780; 8% D. $1516; 8.7%