Determine whether the factors of the trinomial are the given binomials.x2 + 19x + 90; (x + 10)(x + 9)
A. No
B. Yes
Answer: B
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 - 2t)i + (1 + 9t)j + (6t - 1)k, 9 ? t ? 10
A. 2299 B. 209 C. 11 D. 121
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. y2 - 16x2 + 4y - 32x - 28 = 0
A. (x + 1)2 - 
= 1
B. 
- (x + 2)2 = 1
C. 
- (y + 1)2 = 1
D. 
- (x + 1)2 = 1
Mathematics
Find the LCM.24r4st and 24rs2
A. 24rst B. 24r4s2t C. 12r4s2t D. 576r5s3t
Mathematics
Find the function value using a calculator set in RADIAN mode. Round the answer to four decimal places, where approximate.cos 2.44
A. -0.7638 B. -0.4456 C. 0.7638 D. 0.4456
Mathematics