Rt. 78 is approximately 8.9 x 10^3 times longer than Rt. 54. Rt. 54 is 4.5 x 10^3 miles long. How long is Rt. 78? Write your answer in scientific notation.

Which of the following is true about a linear function? It may curve in some parts and be horizontal in others. It must cross the origin. It has a constant rate of change. It must contain only positive values.

What does the word feature mean in the sentence?: Today's talent show will feature the fifth- grade students.

Max travels to see his brother's family by car. He drives 216 miles in 4 hours. What is his rate in miles per hour? Use a double number line to show your work.

Alright, here's one for Algebra: The number of seats in a row has been increased at a rectangular-shape movie theater after renovation so that it is now five more than the total number of rows.

Find the product using mental math 14*25*4=

7, - 28, 112, - 448, 1792 find the next number

How does the amount of interest change if the compounding occurs more frequently?

Find the product. (r + s) 2 a) r² + 2rs + s b) r² + 2rs + s² c) r² + 2rs + 2s²

What is the radius of a cylinder with a diameter of 36?

Find the following percentages. a. 15% of 930 b. 6% of 120 c. 4.2% of 50 d. 200% of 145