Can someone please help me with this question ASAP this test is timed. Thank you

x = 5

Step-by-step explanation:

Extrior angle of triangle:

60° + 7x+5 = 20x

60°+5 = 20x-7x

65° = 13x

x = 5

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

the expected value of the random variable : 0, 1 and 2

step-by-step explanation: