Given cos a = .23 find angle a in radians. round your answer to the nearest hundredth.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

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

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.