Solve the equation. Express radicals in simplest form.6z2 + 2 = 218
A. {-7, 7}
B. {-6, 6}
C. {6}
D. {109}
Answer: B
Mathematics
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Find the required ratio.The electric current (in amperes) in a given circuit is the ratio of the voltage (in volts) to the resistance (in ohms). What is the current for a circuit in which the voltage is 
and the resistance is 
Round your answer to the nearest hundredth.
A. 1.32 A B. 3.1 A C. 4.1 A D. 0.32 A
Mathematics
Answer each question appropriately.Suppose that 
= 15. Find 
, if f is even.
A. -75 B. 75 C. -15 D. 15
Mathematics
Find the y-intercept.y = 9
A. 1
B. - 
C. 9
D. 0
Mathematics
Add or subtract as indicated. Simplify, if necessary. 
- 
A. 
B. 
C. - 
D. - 
Mathematics