For an acute triangle, suppose that you know the measures of each angle 
, 
, and 
as well as the lengths a and c for two sides. State the formula that you would use to find the area A of the triangle.
What will be an ideal response?
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Solve the problem.Anita receives a promotional offer from a long-distance phone company of $0.03 per minute for long-distance calls. If she spends between $6 and $18 on long distance calls in the first month, the offer will be extended by an extra month. If she spends more than $18 in the first month, the offer will be extended by an additional two months. For what range of minutes must Anita use long distance in the first month, if the offer is to be extended by an extra month?
A. 
B. 
C. 
D. 
Solve for base in the problem. Round to the nearest hundredth, if necessary.63 gallons is 127% of gallons.
A. 161.29 B. 16,129 C. 496.1 D. 49.61
Solve the problem.Suppose y varies directly as x and inversely as the square root of w. If y = 21 when 
and 
find y when 
and 
Give the exact answer.
A. 28
B. 
C. 14
D. 
Determine which number/s in the set is/are rational number/s.
?
{2.3580044024..., 0.5639, -5, 
, -29, 2}
?
A. 2.3580044024..., 
B. 2
C. -29, 2
D. -29, 2, -5, 0.5639
E. -29, 2, -5, 0.5639, 