How do u do positive and negatives

Tina has $60 to spend on craft supplies. The tax rate is 8.25%. What is the maximum amount she can spend on craft supplies before taxes?

Kristina invests $5,000 at 15% simple interest for 2 years. How much interest did Kristina earn over the 2 years?

A game has a deck of cards with 10 red cards, 4 blue cards, and 2 yellow cards. You randomly choose two cards. Find the probability of choosing two red cards and a blue card + yellow card

What is the result when 55 increased by 209%?

I have 1hundreds, 9tens, 9 o es, 8 rentas. What Number am I?

If 30+12x represents the area of a partitioned rectangle, what could be expressions for the side lengths? List at least 5 possibilities

Jay Low received scores of 87 and 98 on his first two exams of the grading period. At least what score must jay earn on the next exam for the test average to be at least a 93 for the grading period?

Keenan made a large batch of lemonade for his team. He poured 72 cups of water into a large cooler. Then he added 1 cup of lemonade concentrate for every 2 quarts of water and mixed all of the liquids together.

The tree club plans to hike 20 miles today. The hikers have covered 6 miles so far. If they travel at an average speed of 2 1/2 how many hours will it take to complete the hike

Victor has been instructed to stack boxes on a freight dock, arranged in perfect squares. If he has 625 boxes in each square, how many boxes are on the bottom row of each square? 5 boxes 15 boxes 25 boxes 35 boxes