Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4
Answer:
70
Step-by-step explanation:
70 combinations of four books can be made from eight different books.
Answer:
4.35 / 100 = 0.0435
Step-by-step explanation:
We find it useful to convert 4.35% to decimal, because if you need to find 4.35% of any number, you can simply multiply that number with 0.0435.
Answer:
-10
Step-by-step explanation:
Solve for y by simplifying both sides of the equation, then isolating the variable
110 that's the answer I think