Which properties are best used prove a quadrilateral is a parallelogram?

a) Diagonals are congruent and perpendicular.

b) Diagonals are congruent.

c) Diagonals bisect and are perpendicular.

d) Diagonals bisect.

If f (x) = 3x+2 then what does f (x+1) =

At a local baseball game there are 3 hot dog vendors. collectively the vendors sold 1,700 hot dogs. if vendor a sold 456, vendor b sold 607, and vendor c sold 637, what percentage of the total did each vendor sell? (round to the nearest percent.

A rhombus of sides 20cm han an angled of 60degree, find the lenghts of its diagonals

Find the derivative of f (x) = 6x + 7 at x = 9

What is the volume of 4ft by 6ft by 1ft by 2ft by 8ft?

If g (x) = 3x^2-4x + 1, what is the value of g (-2) ?

The sum of six times a number, and 6, is equal to five times the number

5•2^x equal to the expression 10^x?

Liam is saving up for a new cell phone. He uses the equation P = I + HB, where P is the cost of the phone, I is the amount of money he started with, H is the number of hours he babysits, and B is his hourly rate for babysitting.

What is the measure of each interior angle of a regular octagon? A. 45° B. 60° C. 120° D. 135