Find the measure of ∠d if

∠a =
5
2
x + 16
∠b =
7
2
x + 20
∠c =
3
2
x + 68
∠d =
3
2
x + 40

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?