a teenager's increase by 2 is a perfect square. Her age decreased by 10 is the square root of the perfect square. She is 5 years older than her brother. How old is her brother?

The price of a car has been reduced from $10,500 to $6,300. What is the percentage decrease of the price of the car? A. 40% B. 60% C. 42% D. 4%

How many litres of pure antifreeze should be added to 5 litres of 30% antifreeze solution to create a 65% antifreeze solution?

0+47=47 use what property of math

Which equation can be used to calculate the area of the shaded triangle in the figure below? A rectangle is shown with a width of 6 ft and a length of 16 ft. There is a diagonal line through the rectangle, and the bottom half is shaded in grey.

What does x + y = 0 / x - y + 2 = 0

Write in its simplest form, the ratio 3.5kilograms:800grams

Mountain trail is 844 length in feet lake trail 792 in feet harmony trail 528 how many feet longer is mountain trail than harmony trail

A circle in the standard (x, y) coordinate plane is tangent to the x-axis at 4 and tangent to the y-axis at 4.

Identify the graphed linear equation. A) y = 2 3 x + 3 2 B) y = 2 3 x - 3 2 C) y = - 2 3 x + 3 2 D) y = - 2 3 x - 3 2

How to figure out median weight