The Sine and cosine curves y=a sin(kx) and y=a cos(kx), k>0 have amplitude and period?

The measure of an angle is 117°. what is the measure of a supplementary angle?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

3.4a=57.8 what is the the value of a