Translate the sentence into an equation using the variable x.A number minus 4 equals 2.
A. x - 4 = 2
B. x = 4 - 2
C. x = 2 - 4
D. 4 - x = 2
Answer: A
Mathematics
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Evaluate the integral.
A. - 
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. 
- 5 ln
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Factor by grouping.8a3 - 20a2b + 10ab2 - 25b3
A. (8a2 + 5b2)(a - 5b) B. (4a2 + 5b)(2a - 5b) C. (4a2 - 5b2)(2a + 5b) D. (4a2 + 5b2)(2a - 5b)
Mathematics
Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.Find the cost to asphalt a circular racetrack if asphalt costs $60 
Round to the nearest dollar.r = 80 ftR = 145 ft
A. $12,058 B. $39,611 C. $31,840 D. $27,554
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these.-9
A. None of these B. Monomial C. Binomial D. Trinomial
Mathematics