Me *30 points* ( don't comment unless its answer :

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

By what fraction name for 1 must 2/3 be multiplied to form a fraction with a denominator of 15

Given the following point on the unit circle, find the angle, to the nearest  tenth of a degree, of the terminal side through that point, 0≤θ< 360. p=([tex]\frac{ \sqrt{10} }{4} [/tex]