Add the following expressions: 3r - 7 and -10r + 2
-13r-9
13-5
O -7r - 9
-7r -5

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?