When your friend is holding the bowling ball, it takes about 1.7 seconds for the ball to swing back and forth once. Approximately how long is her arm?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :

Travis and paula went to lunch. travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch, they left a 15% tip for the waiter. how many money did they spend altogether?