Plz plz me what is the missing step in the given proof? a. statement: m∠4 = m∠15 reason: substitution property of equality b. statement: m∠4 + m∠8 = 180° reason: definition of supplementary angles c. statement: ∠7 and ∠8 are supplementary. reason: linear pair theorem d. statement: m∠4 = m∠16 reason: transitive property of equality e. statement: ∠15 and ∠8 are supplementary. reason: transitive property of equality

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?