Indicate whether the expression is a polynomial or not a polynomial.8x
A. Polynomial
B. Not a polynomial
Answer: A
Mathematics
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Use sum-to-product identities to rewrite the expression as a product.sin 51° - sin 21°
A. 2 sin 36° cos 15° B. -2 sin 36° sin 15° C. 2 cos 36° sin 15° D. 2 cos 36° cos 15°
Mathematics
Solve the equation.t - 1 = 11
A. -12 B. -10 C. 12 D. 10
Mathematics
Special products can be illustrated by using areas of rectangles. Use the figure to justify the special product 
Express the area of the large square as the square of a binomial.
A. (a + b)2 B. a2 + b2 C. 2a + 2b D. ab
Mathematics
A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm. How much work is done in stretching the spring from 12cm to 26cm?
Select the correct answer. a. 10.80J b. 14.00J c. 12.00J d. 9.80J e. 13.00J
Mathematics