Determine whether the equation has real number solutions.4 + 4z2 = 2z
A. No real solutions
B. Real solutions
Answer: A
Mathematics
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Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.345 mi = 
km
A. 365.7 B. 326.4 C. 555.1 D. 214.2
Mathematics
Solve the problem.If a fair coin is tossed three times, the probability of tossing three heads is
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Mathematics
Solve.(y - 3) - (y + 9) = 4y
A. - 12
B. 
C. - 3
D. - 4
Mathematics
Solve the problem.Each gallon of shingle stain covers 120 square feet. How many gallons are needed to cover 960 square feet?
A. 6 gallons B. 7 gallons C. 9 gallons D. 8 gallons
Mathematics