Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 80 times in 4 minutes. What is her blinking rate, in blinks per minute?

This is about circle theorems. someone asap : (

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Write as a product of two polynomials. 2(3–b)+5(b–3)^2