Sarah has been running a dog-walking business since 2010. she walks dogs twice a day, takes them to the park, and returns them to their homes. each year, she has increased her fee by the same amount. the table shows what sarah charged each customer for two given years of her business:
year annual dog-walking fee
2010 $350
2014 $750
a. what is the rate of change and initial value for sarah’s business? how do you know?
b. write an equation in slope-intercept form to represent the fees that sarah charges each year.

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

Math i have no idea how to do a and b