Using substitution, find the ordered pair (the point) where both of these equations meet. Include parentheses and no
spaces in your answer.
X=4
3x - y = -1

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

Which best explains why this triangle is or is not a right triangle?

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)