(10th grade geomtry pls pls )

the diagonal of rectangle abcd measures 2 inches in length.

what is the length of line segment ab?

1 inch

(sqr root) 3 inches

4 inches

(sqr root) 4/3 inches

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 i have 20$ and i gave 5$ away how much i got

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.