Who speak spanish? oh and also solve this =

what is the square root of 5320 times 18 minus 300

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8