Answer:
10
Step-by-step explanation:
Out of the ten cards she has ten chances to pick each one
Answer:
20x+9y
Step-by-step explanation:
add the numbers that have the same variable(x in this problem)this is also called combining like terms. Then put the other numbers that have different variables. hope this helped
Answer:
1/30 or 3.333%
Step-by-step explanation:
3x4=12 gives him 12 baseballs. he has 5 fewer tennis balls than base balls so you subtract 5 from 12 and you get 7 tennis balls.