7. A circle has an area larger than 300 cm2and less than 650 cm2,with a center in the 1st quadrant.
a. Write an equation of this circle that fits this description (there are an infinite
number of possibilities).
b. Give a range of possible values for its radius (there will be a lower and upper
limit)

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you