Perform the indicated operation and simplify.
+ 
A. 1
B. 
C. 
D. 
Answer: D
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Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.h(x) = 
+ 4.6x
A. Constant; 
; 
; 0
B. Quadratic; 4.6x; 4.6; 2
C. Linear; 4.6x; 4.6; 1
D. Linear; 
; 
; 1
Solve.Suppose that an estimated 8750 gigatons of mass of a certain ice sheet has been lost since the beginning of the 20th century. Given that a gigaton is 1012 metric tons, and a metric ton is 1000 kilograms, convert this loss to U.S. customary tons. Express your answer in scientific notation to three decimal places.
A. 8.750 × 1015 tons B. 8.750 × 1012 tons C. 9.645 × 1012 tons D. 9.645 × 1015 tons
Simplify.(4y4/5)15
A. 415y12 B. 4y4/75 C. 415y79/3 D. 4y4/3
Solve the inequality. Write the solution set using interval notation and graph it.x + 7 < 8 
A. (-?, 1)
B. (-?, 1]
C. (1, ?)
D. [1, ?)