What ratios are equivalent to 21:6?

Prove this theorem indirectly. Assume you know that the sum of the angles of a triangle equals 180° and a right angle = 90°. Prove that a triangle cannot have two right angles.

How do I find the answer for this equation 20x+15y = 330, when x+y = 18

On the first Saturday of every month, a local amusement park allows children under the age of 12 to ride for free.

2,8, 14, 19, 20, 21, 26, 33, 36, 41 1. Find the median, mean, and range of the elephant ages. a) Median Median: years b) Mean: years old batang ___ E- c) Range DE ES

3. A scientist wants to test whether dogs are more attracted to the smell of chicken than the smell of beef. Which method, a controlled experiment, a scientific investigation or a scientific model would be most useful to set up? Why?

What are the converse, inverse, and contrapositive of the following true conditional? What are the truth values of each? If a statement is false, give a counterexample. If a figure is a rectangle, then it is a parallelogram.

One leg of a right triangle is five feet more than the other leg. If, the Hypotenuse of the right triangle is 15 feet, what is the length of each feet?

Graph the equation y = 0.5x

What is the equation of the parabola with vertex (4, 4) and focus (7, 4) ?

What is the radius of a circle whose equation is (x - 7) 2 + (y - 10) 2 = 4? 2 units 4 units 8 units 16 units