The regular price of a smart phone is represented by x. when an upgraded phone is released, the new price is 25% more than the older model. the upgraded phone's price can be represented by which expression?

Easy points boii. read it. ya. fresh

Choose the more precise measurement. 26.4 cm or 8.39 cm

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