How many solutions does the system y = -7x + 3 and y + 7x = 10 have? Explain.

A. No solutions; the lines are parallel.
B. One solution; (0, -7)
C. Infinitely many solutions; the lines are the same.
D. No solutions; the lines are perpendicular.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

How can you construct perpendicular lines and prove theorems about perpendicular lines

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range