Kathryn, a college student, works part time at a coffee house. She worked 3 5/12 hours on Monday, 6 1/2 on Tuesday, 5 3/4 on Wednesday, 4 1/4 on Thursday, and 8 on Friday. How many hours did she work altogether?
She worked hours altogether.
(Simplify your answer. Type an integer or a mixed number)

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read