combining like terms

simplify the expression

-6k + 7k

Four consecutive odd integers add up to 288. which integers are they?

140 is the distance between cities what is it in kilometers

R (x) = 20x 0,004x² = C (x) 800 + 2x + 0.001x²

One day a store sold 21 sweatshirts. white ones cost $9.95 and yellow ones cost $ 11.50. in all, $235.30 worth of sweatshirts were sold. how many of each color were sold?

A shirt is 180 dollars but it originally costs 200 what percent change is that

Mike plays basketball. He attempted 32 free throws in January and 28 free throws in February. a. Is the percent change a percent increase or a ...

Give an example of a real number that is not rational

Tyler baked 702 cookies. He sold them in boxes of 18. After selling all of the boxes of cookies for the same amount each, he earned $136.50. What was the cost of one box of cookies?

Juan selects 2 colored pencils randomly. There are 4 green, 3 yellow, 4 red, 3 blue and 2 orange. What is the probability Juan chooses a red, replaces it, and then chooses an orange? A: 1 over 32 B: 1 over 30 C: 8 over 225 D: 3 over 8

How do you find the lcd