Which pair of numbers is relatively prime?

A. 21 and 39

B. 12 and 54

C. 10 and 21

D. 15 and 27

Convert 0.31313131 to a fraction

Mr. white can travel for 6 hours while taking 3 breaks of 10 mins each once he had to travel for 36 hours how many minutes in breaks did he take

Rosa collected 140 coins from different countries. Thirty-six of her coins were from Canada. About what percent of the coins were from Canada? Round to the nearest percent, if necessary.

Suppose 3x + 4y = 52 and 5x + y = 30. What is the value of 8x - 2y? es) A6 B) 8 Submit

The perimeter of a rectangle is 254 cm. Its length is 55 cm. What is the width of the rectangle with a variable?

What do you call the product of all positive integers from a given integer to 1? A) factorial notation B) decimal notation C) binary notation D) multiplicative notation

How do you find percentages?

One dozen eggs cost $1.98. How much does one egg cost?

Which statement about 7/8 * 9=y is true? y = 9 y>9 y<9

The sine of 72 degrees is 0.95. what's the cosine of 18 degrees