Which of the following symbols, when placed in the blank, makes the number sentence true ? 20/75 0.26

a) +
b) =
c) <
d) >

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.

If the value of cos330°is√3/2 then find cos 165°.

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.