Uses fewer than 5 coins to pay 60 c

Kim's age is twice that of her sister. when you add kim's age to her sister's age you get 36. how old is each sister?

What is the square root of 49/196

Write an expression for "19 more than a number y."

9-3 divided by 4+2•12+6 divided by 2•3

Write an expression using a positive and a negative integer that result last in 0

The square root of a 100 is it a whole number or natural number

How do u expand 500,000

How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.