Answer:
Pythagorean theorem which is a²+b²=c2
9²+12²=c²
225=c2
c=√225
c=15
Answer:
Carla=14
Rosa=11
Step-by-step explanation:
let Carla as C and Rosa as R
C=R+3
C²+R²=317
substitute these two equations and take the positive number as the answer. bcuz age can't be in negative.
Answer: 21
Step-by-step explanation: All he did was took the amount of red and gave it a ratio of 7:1 meaning that he will increase the amount of red and make it 21 because the number 8 increased by 3 so 7 must increase by 3 as well.
