For what values of x and y is PQRS a parallelogram? 2y + 3
P Р
2
4x - 3
4y + 1
S
R
y + 5

Is every rectangle is a parallelogram? true false

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

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