Three siblings are born on the same date in consecutive years. The sum of their ages is 42. What is the age of the oldest sibling?

A. 13
B. 14
C. 15
D. 16

C.

Step-by-step explanation:

15+14+13=42

Hope this helps :)

i think the answer is option B

Step-by-step explanation:

42/3

=14yrs old

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

b

step-by-step explanation: