Perform the indicated operations.(2x4 + 13x2) - (7x4 - 8x2)
A. -5x4 + 5x2
B. 16x6
C. 9x4 + 5x2
D. -5x4 + 21x2
Answer: D
You might also like to view...
Solve the problem.How many rectangles (of any size) are there in the last two figures? 
? 1 rectangle 
? 3 rectangles 
? 
rectangles 
/> ? 
rectanglesLook for a pattern. How many rectangles are in a 1 × n strip? How many rectangles would there be in a 
strip?
What will be an ideal response?
Graph the linear equation using the slope and y-intercept.y = 2x - 5
A. 
B. 
C. 
D. 
Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.(tan ? + 1)2 = sec2 ?
A. 
, 
, and - 
B. 
and - 
C. 
, 
, and 0
D. 
and 0
Decide if the answer is reasonable or unreasonable by using front end to estimate the answer. If the exact answer is not reasonable, find the correct answer.2186.8 ÷ 19.7 = 11.1
A. Unreasonable, should be 1.11 B. Unreasonable, should be 111 C. Reasonable D. Unreasonable, should be 1110