Suppose y varies directly as x and y = 21 when x=3 find x when y = 42

If 2x + 6y = 16, which of the following expressions represents x in terms of y?

linda is planning to give her friends her money. she gave her friend marcia 10 more than karen. the raito is 5 to 3. what is the amount of money she gave away?

What is the distance between - 2.2 and 8.4?

9 - 3 2/5 equals what

10-^4 in standard form

Use an equation to solve. 20% of what number is 47? A. 236.5 B. 232 C. 237.5 D. 235

Decompose the number 80

Darrell has $1,990 saved and wants to buy a motorcycle. He earns $10 per hour and he works for 39 hours. Estimate how much money, Darrell has left after buying a $2,200 motorcycle.

Which type of triangle will always have exactly 1-fold reflectional symmetry?

A boat can travel 448 miles on 56 gallons of gasoline. How far can it travel on 4 gallons