Which of the following is equiangular and equilateral?
a. rhombus
b. square
c. rectangle
d. parallelogram

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.

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?