Q: math teacher loans calculators to students to take home and return the next morning before school. He recorded the number of students who borrowed calculators in each of four class periods. Calculator Loan Program
1st Period 2nd Period 3rd Period 4th Period
35 15 45 85
What is the probability that a student who borrowed a calculator is in his second period class?

A
1 in 15

B
1 in 4

C
1 in 11

D
1 in 12

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)