The equation used to estimate typing speed is s = 1/5 (w - 10e) where s is the accurate typing speed, w is the number of words types in 5 minutes and e is the number of errors.
9. ignacio can type 55 words per minute (wpm). in 5 minutes, she types 285 words. how many errors would you expect her to make?
10. if alexis types 300 words in 5 minutes with 5 errors, what is his typing speed?
11. johanna receives a report that says her typing speed is 65 words per minute. she knows that she made 4 errors in the 5-minute test. how many words did she type in 5 minutes?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x