Solve the equation.log5 x2 = 4
A. {25, -25}
B. {32}
C. {2
, -2
}
D. {625}
Answer: A
Mathematics
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Identify the number represented on the abacus.
A. 606,520 B. 66,520 C. 600,652 D. 60,652
Mathematics
Solve.t2 - 2t - 15 ? 0
A. (-?, -3] ? [5, ?), or {t
t ? -3 or t ? 5}
B. [5, ?), or {t
t ? 5}
C. (-?, -3], or {t
t ? -3}
D. [-3, 5], or {t
-3 ? t ? 5}
Mathematics
Indicate whether the list of terms are like or unlike.23xy2z, -19xy2
A. like B. unlike
Mathematics
A swimming pool is 15 ft by 30 ft and an average of 5 ft in depth. It takes 25 minutes longer to fill than to drain the pool. If it can be drained at a rate of 18 ft 3 /min faster than it can be filled, what is the drainage rate? Please give the answer to one decimal places. ?
A. 55.6 ft 3 /min B. 50.2 ft 3 /min C. 43.9 ft 3 /min D. 43.0 ft 3 /min E. 32.2 ft 3 /min
Mathematics