When simplified and written in standard form, which quadratic function is equivalent to the polynomial shown?

2 + 7c – 4c2 – 3c + 4

–4c2 + 4c + 6
–7c2 + 10c + 6
–4c2 + 4c + 8
–7c2 + 7c + 6

State if the two triangles are congruent. if they are, state how you know?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40