Choose the equation below that represents the line that passes through the point (4, 9) and has a slope of 7. A) y - 4 = 7(x-4)
B) y + 9 = 7(x+4)
C) y -9 = 7(x-4)
D) y + 4 = 7(x+9)

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?