Solve the system by the substitution method.
A. (-4, 3), (4, 3)
B. (9, 68), (16, 243)
C. (-4, 3), (-3, -4), (3, -4), (4, 3)
D. (-3, -4), (3, -4)
Answer: C
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Suppose it is certain that an earthquake will occur some-day. What is the probability (to the nearest percent) that it will occur while you are at work? Assume you are at work 5 hours per day, 260 days per year. ?
A. 32% B. 21% C. 85% D. 11% E. 15%
Solve.The relationship between 
and 
degrees of measuring temperature is linear. Find an equation relating 
and 
if 
corresponds to 
style="vertical-align: -4.0px;" /> and 
corresponds to 
Use the equation to find the Celsius measure of 
A. C = 
F - 
; - 
°C
B. C = 
F - 80; - 26 °C
C. C = 
F - 10; 
°C
D. C = 
F + 
; 
°C
Rewrite the polynomial in descending order. Identify the leading term, the leading coefficient, and the degree of the polynomial.-4x2 + 3x3 + 6x4 + 3
A. -4x2, -4, 2 B. 3x3, 3, 3 C. -4x2, 4, 2 D. 6x4, 6, 4
Find the missing angle in the triangle.Two angles are 10° and 30°.
A. 50° B. 40° C. 320° D. 140°