Pls help i have no idea how to do this :/

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

y - 25 = 2 ( x - 10 ) should be the answer

(−$11) ⋅ 12

deductions are negative and there are 12 months in a year