the ratio of davids typing speed to lisas is 11:9. Lisa can type 54 words per minute if david and lisa work together to type 4800 words article, how many minutes are needed

3 numbers between 21 seconds and 22 seconds

What is the Factor of 4 х2 - 100

Look at the graph of the equation y = 5x. Which statement is true? A) As x increases by 1, y decreases by 5 B) As x increases by 1, y increases by 5. C) As x increases by 1, y remains constant. D) As x increases by 1, y increases by

There are 810 calories in 3 scoops of vanilla ice scream. How many calories are there in 7 scoops of ice screams

How do you write 8.2 in mixed number

Meagan bought 6 kilograms of dried blue berries of $27. which of the following is an equivalent rate?

A large chess tournament starts with 1024 players. How many players will be remaining after 6 rounds

What is the x coordinate of the center of a circle equation is x^2 + y^2 + 4x - 6y = b

Write 57/8 as a an improper fraction

If x=5 what is y=-2x+3