Triangle XYZ has vertices at X(0, 0), Y(–4, –6), and Z(5, –3). Triangle XYZ will be rotated 90° clockwise about the origin. What will be the coordinates of Z′? A.(5, 3)
B.(3,5)
C.(–3, –5)
D.(–5, –3)

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What are “like terms”? why can we only add like terms?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).