The pair of angles is supplementary. Given the measure of one of the angles, find the measure of the other angle.?ABC = 142.4°
A. ?PQR = 57.6°
B. ?PQR = 217.6°
C. ?PQR = 37.6°
D. ?PQR = 322.4°
Answer: C
Mathematics
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Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.672 when n = 18 at ? = 0.05
A. Yes B. No
Mathematics
Factor the polynomial.(5x + y)2 - 81
A. (5x + y + 9)(5x + y - 9) B. (5x + y - 9)2 C. prime D. (5x + y + 9)2
Mathematics
Find the specified vector or scalar.u = 3i - 2j, v = -9i + 7j; Find u - v.
A. 12i - 9j B. 10i + 5j C. 11i + 5j D. -6i + 5j
Mathematics
Graph the inequality.
+ 
> 1
A. 
B. 
C. 
D. 
Mathematics