Randy is 8 years old. His brother is twice as old as Randy. Randy’s sister is three years younger than Randy. a. Write an expression to represent the age of Randy’s brother. b. How old is Randy's brother? c. Write an expression to represent the age of Randy’s sister. e. For this problem, what does the expression 8 + 5 represent?

HELP PLS

Here

Step-by-step explanation:

Randy-8, Twice means times 2, His brother-16,

Three years younger means subtract,Younger sister-5

8+5=13

Hope this helped:)

answer: 20

step-by-step explanation: subtract the minimum date value from the maximum data value to find the date range. in this casem the date range is 42 - 22 = 20

hope this ! : ) ~zane

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)