15. lauren finished 21 out of 28 homework
questions. what fraction of the questions did
lauren finish? what percent? what fraction
does lauren still need to finish? what percent?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2