Line segment XZ is shown below, Y is the midpoint of XZ. Answer the following questions.
XY= 4a-4 XZ= 3a+2
Find the value of a

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

How many doughnuts are equal to 20 cookies.? 3 apples = 5 bananas6 cookies = 7 apples2 doughnuts = 1 banana

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?