Idon't know how to do this.

provide reasons for the proof.

given: angle 2 = angle 4
and angle 2 and angle 3 are supplementary
prove: angle 1 = angle 3

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday

When solving a logarithm equation, how do you find the missing variable ?

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9