Solve the equation. Express radicals in simplest form.81x2 - 49 = 0
A. 
, - 
B. 
, - 
C. 0, 
D. 
, 7
Answer: B
Mathematics
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Determine whether or not the first number is divisible by the second number1978; 2
A. Yes B. No
Mathematics
Solve for the variable.-9y = 153
A. -17 B. -162 C. 1 D. 162
Mathematics
Solve the problem.Suppose you would like to cross a 219-foot wide river in a boat. Assume that the boat can travel 38 mph relative to the water and that the current is flowing west at the rate of 7 mph. What bearing should be chosen so that the boat will land at a point exactly across from its starting point? Give your answer to the nearest tenth of a degree.
A. 10.6° B. 7.1° C. 79.4° D. 8.5°
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 5)
C. 
D. 
Mathematics