A roast beef sandwich cost $6.75. A customer buys multiple sandwiches. Write and equation using x to represent the number of sandwiches

8/9k + 9/5 = - 4 - 9/7k

Yiska has 56 photographs left to scan. If she can scan 6 more photographs per minute, in how many minutes will she have less than 20 left to scan?

What is the sum? Express your answer in lowest terms. 3/8 + 5/16

Which expressions are equivalent to 5 (3s-6a)

What is the first step to show that two lines are parallel, by looking at the equations of the lines, if they are written in standard form? A. Find the slope of each line. B. Graph each equation. C. Re-write each equation in slope-intercept form. D.

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