Jamal started writing thank-you notes at 5:25. It took him 20 minutes to write them.
He also spent some time writing addresses 6:00. How
long did it take Jamal to write the addresses? Show your work.

Step One: (Jamal started writing thank-you notes at 5:25. It took him 20 minutes to write them.) So Jamal wrote thank you notes until 5:45

Step Two: He also spent some time writing addresses 6:00.

If you are asking how long it took after 5:45, the answer will be 15 Minutes because 5:45 + 0:15 = 5:60 and since 60 minutes is 1 hour, you have 6:00

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign