Amelie solves the following system of equations.

x+y=20

3x-3y+30

Which values of x and y satisfy this system of equations?

x = 0, y = 20

x = 5, y = 15

x = 10, y = 0

x = 15, y = 5

The temperature on Saturday was 6 1/2°C. On Sunday, it became 3 3/4 °C colder. What was the temperature on Sunday?

Evaluate 60 • x-60 · 15, when x=8. Step 1 60• x-60 • 15 = 60 (x - 15) Step 2 Step 3 = 480 - 15 Step 4 465 Where is the error

Translate the phrase nine more then two times a number into algebraic expression

A hardware store has 147 containers of paint. If each container holds 5 gallon of paint, how many gallon of paint are at the store? A. 235 B. 595 C. 735 D.

The growth of bacteria in a dish is modeled by the function f (t) = t/2^3. for which value of t is f (t) = 32

If sinX = 0.6, and X is in Quadrant II, then what is the value of cosX?

Let F (x) = 3x + 5 and g (x) = x^2 Find g (x) / f (x) and state its domain. 3x + 5/x^2; domain is the set of all real numbers except 0 x^2/3x+5; domain is the set of all real numbers except - 5/3 x/8; domain is the set of all real numbers x/3x+5;

Which inequality is true? -1/2>0 -2.5>-2 -1 1/2>1.5

What's LCD 5/6 3/18 7/9 1/126

Captain Jessica has a ship, the H. M. S. Khan. The ship is two furlongs from the dread pirate Luis and his merciless band of thieves.