Solve the system by the substitution method. Be sure to check all proposed solutions.x + 4y = 78y = 6x + 7
A. {(-2, -5)}
B. {(1, 13)}
C. {(3, 25)}
D. {(2, 19)}
Answer: D
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Solve the problem.In a certain lottery, 3 different numbers between 1 and 12 inclusive are drawn. These are the winning numbers. How many different selections are possible? Assume that the order in which the numbers are drawn is not important.
A. 1320 B. 6 C. 220 D. 1728
Solve the problem.The kind of symmetries found in the wallpaper pattern shown below are the identity and
A. translations only. B. translations and glide reflections only. C. translations, reflections and rotations only. D. translations and vertical reflections only. E. none of these
Use the compound interest formula to determine the interest earned in the given period.P = $9300 at 6% compounded continuously for 12 years
A. $4029.96 B. $28,406.23 C. $19,106.23 D. $9806.23
Divide.
A. 215 B. 225 C. 22.5 D. 21.5