Which of the following expressions is (are) linear equations?
a. 3x + 5
b. x + 18 = 30
c. 2x - 4 = 16
d. both b and c
e. all of the above
d. both b and c
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Solve the equation.(x + 2)(x + 8) = 0
A. 2, 8 B. -2, -8 C. 2, -2, 8, -8 D. 2, -8
Provide an appropriate response.The number in front of a letter, as in 5A, is called a:
A. variable B. coefficient C. decimal D. unknown
Complete the income statement. Cindy's Sweet Shop had gross sales of $374,000 with returns of $6100. The inventory on January 1 was $53,000. During the year $211,000 worth of goods was purchased with freight of $2300. The inventory on December 31 was $55,000. Wages and salaries were $23,500, rent was $8700, advertising was $5100, utilities were $2500, business taxes totaled $5800, and miscellaneous expenses were $2100.
A. 1) $374,000, 2) $6100, 3) $367,900, 4) $211,300, 5) $156,600, 
B. 1) $374,000, 2) $6100, 3) $367,900, 4) $211,300, 5) $156,600, 
C. 1) $374,000, 2) $6100, 3) $380,100, 4) $211,300, 5) $168,800, 
D. 1) $374,000, 2) $6100, 3) $367,900, 4) $206,700, 5) $161,200, 
Solve the problem.Joe went fishing today and caught 8 more than 3 times the number of fish he caught yesterday. If he caught x fish yesterday, write an expression to determine the number of fish he caught today.
A. 11x fish B. (3x + 8) fish C. 3(8 + x) fish D. (8x + 3) fish