Does a rhombus have congruent diagonals?

3x-5y=7, x=2y+4 solve by system of equation

The volumes of two similar figures are 27 mm^3 and 1331 mm^3. If the surface area of the smaller figure is 18 mm^2, what is the surface area of the larger figure?

Which relation is displayed in this table? x y 5 5 A. { (5, 5), (6, - 6), (8, 7), (-9, 9) } 8 7 6 - 6 -9 9 B. { (5, 5), (-6, 6), (7, 8), (9, -9) } C. { (-5, 5), (-6, 6), (-8, 7), (-9, 9) } D. { (5, -5), (6, -6), (8, -7), (9, -9) }

A trailer will be used to transport several 40 kilogram crates to a store. the greatest amount of weight that can be loaded onto the trailer is 1,050 kilograms. An 82 kilogram crate has already been loaded onto the trailer.

mrs. smith owned one square mile of land. when she moved she gave an equal part of the land to her children, amy, brianna, and chad. amy decided to divide her portion of the land equally between her 2 children. brianna kept her land.

3. "a varies directly with b". If a = 4 when b = 21, find a when b-7.

Evaluate the expression using order of operations 8-3[{4+2}+6]=?

Let n be a prime number. Which of the following statements CAN be true? A. n is a perfect square B. n is even C. n is irrational D. nis negative E n is divisible by 4

Katie practiced the flute for 45 minutes. Then, she ate a snack for 15 minutes. Next, she watched televison for 30 minutes, until 6:00 P. m. At what time did Katie start practicing the flute?

The vertex form of the equation of a parabola is y = (x+3) ^2+53. what is the standard form?