Solve the equation. Express radicals in simplest form.x2 = 49
A. 24.5
B. ±8
C. 7
D. ±7
Answer: D
Mathematics
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Factor using substitution.3(y + 6)2 - 11(y + 6) - 4
A. (3y + 1)(y + 38) B. (3y + 17)(y + 10) C. (3y + 19)(y + 2) D. (3y + 14)(y + 7)
Mathematics
Represent the circuit with a logical form.
A. (p ? r) ? (q ? ~r) B. (p ? r) ? (q ? ~r) C. (p ? r) ? (q ? ~r) D. (p ? r) ? (q ? ~r)
Mathematics
State the addition property illustrated by the given equation.-11 + 47 = 47 + (-11)
A. Identity B. Associative C. Inverse D. Commutative
Mathematics
Solve the problem.Two pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to fill the tank. How long does it take the first pump alone to fill the tank?
A. 33.75 min B. 60 min C. 80 min D. 67.5 min
Mathematics