What kind of transformation is represented by the following rule?

(x, y) - > (3x, 3y)

A. dilation

B. isometry

C. reflection

D. translation

Sam bought a painting for $130. he later sold it for $169. what percent of the original cost did he sell it for

24% of what number is 84

The difference between a number and two times a number is seven the number is greater than zero what is the number

devin used 3 and 3/4 gallons of gas on Saturday and 2 and 7/8 on Sunday. how many gallons of gas did he use on the two days combined?

To add or subtract algebraic fractions, or numerical fractions, the fractions must have a common denominator.

Witold says that 50% of a number will always be greater than 20% of any other number.

What is the flux in a magnetic material when the flux density is 2500 * 10-6 T and the cross-sectional area is 150 cm

What rate is equivalent to 72/9

Mrs. Tiwari has two sons, one being exactly one year older than the other. Her age is equal to the sum of the squares of the ages of her sons. If 4 years hence her age becomes five times the age of the elder son then find the ages of her sons.

Which pair of angles are vertical angles? WRU and SRT WRS and VRT VRU and TRS VRT and SRT