Solve.5 + y = 30
A. 150
B. 25
C. 23
D. 35
Answer: B
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Solve the logarithmic equation.log2(x - 3) + log2(x - 9) = 4
A. {11} B. {1} C. {12} D. {11, 1}
Solve the problem.Suppose the lengths of the sides of a triangle are a, b, and c as illustrated in the figure. 
If the semiperimeter of the triangle is s = 
(a + b + c), then the area of the triangle is A = 
.Find the area of the triangle with sides a = 20, b = 44, and c = 56. Give the exact answer and then the answer rounded to the nearest hundredth.
A. 160
sq units, 391.92 sq units
B. 80
sq units, 195.96 sq units
C. 40
sq units, 97.98 sq units
D. 320
sq units, 554.26 sq units
Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 4x B. 8 C. 0 D. 64