What is the least common multiple of 84 and 63

Kay walks upstairs to make her legs stronger. Every day at work, she walks up 9 flights of stairs. If there are 13 steps in 1 flight of stairs, how many steps does Kay climb in 5 days at work?

Express the following ratio as a unit rate. Round to the nearest tenth, if necessary. 184 meters in 38 seconds a. 48 meters per second c. 4.84 meters per second b. 0.2 meter per second d. 4.8 meters per second

The population of Asia is approximately 4.5 x 10^9. If the population of Earth is about double that of Asia, what is the approximate population of Earth?

Rewrite 35 + 63 as two factors

14+4i+25-10i+26+8i combining complex numbers

Find the solution to the system of equations. -7x-2y=14 6x+6y=18

What is the product of 7/8 and 2/7?

Two more than four times the sum of yesterday's high temperatures in degrees Fahrenheit and 7 is equal to the current temperature in degrees Fahrenheit. a.

If 8 cakes cost £4.00 how much would 3 cakes cost?

When finding the sum for 37+14