The graph below shows the solution to which system of inequalities? a. y >_ -3 and y <_ -x
b. y > -3 and y <_ -x
c. x >_ -3 and y > -x
d. x > -3 and y >_ -x

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)

Find the area of an equilateral triangle with a side of 6 inches

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)