Solve the problem.An experimental model for a suspension bridge is built. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 16 inches tall and stand 80 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 12 inches from the lowest point of the cable.
A. 1.64 in.
B. 1.24 in.
C. 5.76 in.
D. 1.44 in.
Answer: D
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Plot the following points and find the distance between the points. ? (3, 8), (8, 3) ?
A. ?
Distance: 
B.
Distance: 
C.
?
Distance: 
D.
?
Distance: 
E. ?
Distance: 
When two resistors of resistances 
and 
are connected in parallel (see figure), the total resistance 
style="vertical-align:middle;" /> satisfies the equation
?
.
Find 
for a parallel circuit in which 
ohms and R must be at least 1 ohm.
?
A. 
B. 
C. 
D. 
E. 
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 8x + 16 
A. vertex (4, 0)
intercepts (0, 16), (4, 0)
B. vertex (-4, 16)
intercept (0, 32)
C. vertex (4, 16)
intercept (0, 32)
D. vertex (-4, 0)
intercepts (0, 16), (-4, 0)
Solve the equation for the indicated variable.A = 
h(B + b)
for B
A. B = 
B. B = 2A - bh
C. B = 
D. B = 