Answer:
2⋅2⋅2⋅5=40 2 ⋅ 2 ⋅ 2 ⋅ 5 = 40
3x-4 is the answer, you have to see that if its 3 times her nieces age it would be 3x and if its four less than that it is 3x-4
Answer:
b) 16 rt 2
Step-by-step explanation:
using the 45-45-90 triangle trick,
let x=16
then BC is x rt 2, or 16 rt 2
Answer:
not sure if this is a right answer. but hope this helps
Step-by-step explanation: