Solve and check.15 = b + 5
A. 10
B. -20
C. 20
D. -10
Answer: A
Mathematics
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Solve.(log3 x)2 + 2log3 x - 8 = 0
A. 
B. 
C. {9}
D. {4}
Mathematics
Find the absolute value.
A. - 
B. 
C. ± 
D. 0
Mathematics
Solve.A rectangular room measures 19 ft by 16 ft. Find the cost of installing a strip of wallpaper around the room if the wallpaper costs $0.89 per foot.
A. $541.12 B. $31.15 C. $62.30 D. $270.56
Mathematics
Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.y2 = 81 - x2
A. ellipse B. hyperbola C. circle D. parabola
Mathematics