Determine whether the ordered pair is a solution of the inequality.(-2, 2); 4x - 6y ? 2
A. No
B. Yes
Answer: B
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Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 32.06 ft/sec B. 192 ft/sec C. 38.03 ft/sec D. 69.14 ft/sec
Find f1 in the circuit below when R1 = 1 Kê, R2 = 4 Kê, C1 = 0.1 æF, C2 = 700 pF, and E = 20 V.
a. 1 KHz
b. 318 H3
c. 4 KHz
d. 8 KHz
e. 16 KHz
Find the reciprocal of the number.
A. 7
B. 
C. 
D. 
Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 11 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 