What's equivalent to 2x - 4y = 12 3x - 5y = 20

Which of the following is the algebraic expression that best describes the sequence 3, 9, 27, 81, 243 A) 3x B) 3x + 3 C) x + 3 D) 3^x

A water tank is a rectangular prism that is 111111 meters long, 999 meters wide, and 666 meters high. A solid metal box 444 meters long, 333 meters wide, and 555 meters high is sitting inside the tank. The tank is filled with water

Joanna's parents agree to loan her the money for a car. They will loan her $7,000 for 5 years at 4.5 simple interest. How much will joanna pay interest to ger parents?

2. A mineral has a mass of 25 g and a volume of 5 cm°. What is its density?

Simplify the following and leave your answer in reduced form. [ (24-6*2) - 9]4 / 8+16:4

Which statements are true about quadrilaterals. A. All 4 sided shapes are parallelogram. B. All rectangles are parallelogram. C. All squares are rhombuses. D. Some trapezoid are parallelogram

Triangle A has angle measures of 90 and 46. Triangle B has angle measures of 38 and 46. Are they similar?

X/6 - 5 = 13 What does "x" equal in this equation?

Find all solutions in the interval [0, 2π). 7 tan^3x - 21 tan x = 0 A) pi/3, 2pi/3, 4pi/3, 5pi/3 B) 0, pi/5, π, 6pi/5 C) 0, pi/3, 2pi/3, π, 4pi/3, 5pi/3 D) 0, pi/3, π, 4pi/3

Which group of numbers is listed from least to greatest? -4, |-2|, |3|, 5, |-7| |-6|, - 4, |-2|, - 1, 0 -8, |-5|, - 4, |3|, 6 -6, |-3|, - 3, 6, |-9|