Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? x + 2
y ? 2x + 5
B. y ? -x + 2
y ? -2x + 5
C. y ? x + 2
y ? 2x + 5
D. y ? -x + 2
y ? -2x + 5
Answer: D
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Find the required value by setting up the general equation and then evaluating.Find y when 
if y is inversely proportional to x, and 
when 
A. 42 B. 49 C. 8 D. 6
Solve the problem.An honest coin is tossed ten times. The probability that the number of heads is triple the number of tails is
A. 
.
B. 0.
C. 
.
D. 
.
E. none of these
R1 = 3 Kê, R2 = 4 Kê. The total current flowing into the network is 38 mA.
What is IR ?
2
What will be an ideal response?
Solve.The crushing load of a square wooden post varies directly as the fourth power of its thickness and inversely as the square of its length. If a post 
thick and 
high is crushed by a load of 
what is the crushing load of a post 
thick and 
style="vertical-align: -4.0px;" /> high? A. 900,000 tons B. 500 tons C. 4,000 tons D. 10 tons