Find the solution mentally 1. 3 x (-4) =a
2. b x (-3) = -3
3. (-12) x c =12
4. d x 24 = -12

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16