What is the difference? 2x 7 - 8x 7
a. -6x 14
b. 10x 7
c. -16x 7
d. -6x 7

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

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Simplify. 3(4+4x) (type your answer in with no spaces)