Y varies directly with x. If y=3 when x=4, find y when x=20.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a