Jessica is shopping at an online store that offers free shipping and doesn't charge her sales tax. She bought the following: two books for $8.99 each
a video game for $19.99
three board games for $11.99 each
She pays for her purchases with a $100 gift card. What is the remaining balance on her gift card after these purchases?

Which of the following contains a variable?

1: 4 if the wew 35 surfboards at the beach how many were short boards?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.