Bert can weed the garden in 3 hours. If Bert and Ernie work together they can finish the job in 2 hours. How long would it take Ernie to do the job by himself? Letting x equal the number of hours it takes Ernie to do the job by himself, write and solve an equation.

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined