Solve the equation.
= 
A. 
B. 
C. ?
D. 
Answer: D
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Solve the discount problem.A lamp originally priced at $290 is on sale at 35% off. Find the discount. Round to the nearest cent.
A. $188.50 B. $279.85 C. $101.50 D. $10.15
Express as a difference of logarithms.loga 
A. loga y - loga x B. loga x - loga y C. loga (x - y) D. loga x + loga y
Solve the problem.Use determinants to write an equation in slope-intercept form of the line that passes through the points 
A. y = 3x + 1 B. y = -3x + 1 C. y = -3x - 1 D. y = 3x - 1
Solve the problem.Two people are carrying a box. One person exerts a force of 138 pounds at an angle of 49.2° with the horizontal. The other person exerts a force of 93 pounds at an angle of 59.5°. Find the weight of the box.
A. 285 lb B. 121 lb C. 190 lb D. 231 lb