Solve by Substitution

2x + y = 3

4x + 4y = 8

Find the simple interest. principal = $10,400; rate = 12.5%; time = 11 years A.$1300 B.$9152 C.$11,700 D.$14,300

A powdered drink mix is stored in a cylindrical container that has a radius of 6 centimeters and a height of 14 centimeters. Which is closest to the maximum number of cubic centimeters the container will hold?

In another survey, Jane found that 25% of the total number of teenagers surveyed like sandwiches. If 50 teenagers like sandwiches, what is the total number of teenagers that Jane surveyed? Show your work.

How long would it take to drive 300 miles with a constant speed of 176.1

Domain of y=∛-3x+5 I don't seem really to grasp the concept of prime roots. It said on symbolab that the domain is (-∞,∞), but how?

Carol has two cats rover and Bobo. Rover eat three fourths of a can of cat food each day and bobo eat a half of a can of cat food each day. Cat food cost five dollars for three cans. It's is only sold in three can packs.

Write a system of equations with (1,-2) as its solution

which has the best unit rate? 16 oz for $4.25 or 20 oz for $ 4.55 I chose 16 oz but I need to make sure it's right

Is 3√ a irrational number

Does anyone know what 2 to the 3rd power means?