In a dilation, the ratio of the length of a side on the image to the length of its corresponding side on the pre-image is called the a. center of dilation b. scale factor c. mapping rule d. expansion or contraction

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.