The three sides of a triangle measure 9, 20, and n. What is the range of possible lengths of n?

9 < n < 20

6 < n < 29

11 < n < 29

11 < n < 20

Ann made a 33-step staircase using 18 toothpicks as shown in the figure. How many toothpicks does she need to add to complete a 55-step staircase?

What is the seventh term in the addition pattern that begins 17, 32, 47, 62? What is the seventh term in the addition pattern that begins 17, 32, 47, 62? What is the seventh term in the addition pattern that begins 17, 32, 47, 62?

I have a math project. We have to provide facts about anything in scientific notation. How do I find the Scientific notation of rain

Un-simplify the simplified radical form. Write as one number under the radical. 3√2 -5√6 +-24√21

Evaluate using the values given k - (k - h) use h = 1, and k = 1

80 sheets of colored paper. Seven of his students need the paper for a project. How many sheets does each student gets. How many sheets are left over?

Kimi has 7 liters of water to fill water bottles that each can hold 2.8 liters how many can she fill

5 boxes of candles contain a total of 60 candles. Every box holds the same number of candles in each box. How many boxes does the store have if they have 8 boxes?

Which of the following is not an integer? 17 -45 0.54

Write the equation of the line whose slope is 1/3 and y-intercept is - 3. Write the answer in slope-intercept form.