Simplify the expression and write the answer without negative exponents.(7x-8)(-6x-7)
A. -42x15
B. 
C. -42x56
D. 42x56
Answer: B
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Use a graphing calculator to solve the given equations to the nearest 0.01.x4 - 10x2 + 24 = 0
A. -1, 2.88, 2.88, -2.88 B. 2.00, -2.00, 2.45, -2.45 C. 2.00, 2.45 D. 4, -4, 6, -6
Solve the problem.Alan walked 
mile to the store and then another 2
miles to his friend's house. How far did he walk?
A. 
miles
B. 2
miles
C. 
miles
D. 2
miles
A rancher wishes to fence a rectangular area of 500 sq. ft. He wants to use only whole-number dimensions.What dimensions will require the least amount of fencing? [Remember the area of a rectangle is A l w and the perimeter is P = 2(l + w).]
What will be an ideal response?
Provide an appropriate response.Find a cofunction equivalent to tan 64°.
A. cot 64° B. cot 154° C. sec 64° D. cot 26°